diff --git a/package_selections/audio/none b/package_selections/audio/none
index bbab7f6..10dc7fd 100644
--- a/package_selections/audio/none
+++ b/package_selections/audio/none
@@ -6,6 +6,6 @@ DESCRIPTION="No audio"
 
 PACKAGES=""
 
-function post-install {
+function post_install {
   echo "audio/none" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/audio/pipewire b/package_selections/audio/pipewire
index 9c052ef..239e75d 100644
--- a/package_selections/audio/pipewire
+++ b/package_selections/audio/pipewire
@@ -10,6 +10,6 @@ DESCRIPTION="Pipewire with GUI settings (Pavucontrol)"
 
 PACKAGES="pipewire pavucontrol"
 
-function post-install {
+function post_install {
   echo "audio/pipewire" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/audio/pipewire-slim b/package_selections/audio/pipewire-slim
index e0462d4..002b2d5 100644
--- a/package_selections/audio/pipewire-slim
+++ b/package_selections/audio/pipewire-slim
@@ -10,6 +10,6 @@ DESCRIPTION="Pipewire with text-based settings (pulsemixer)"
 
 PACKAGES="pipewire pulsemixer"
 
-function post-install {
+function post_install {
   echo "audio/pipewire-slim" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/desktop/icewm-fancy b/package_selections/desktop/icewm-fancy
index 91c2408..f56871a 100644
--- a/package_selections/desktop/icewm-fancy
+++ b/package_selections/desktop/icewm-fancy
@@ -7,6 +7,6 @@ DESCRIPTION="BodgeMaster’s IceWM setup (recommended)"
 # TODO
 PACKAGES=""
 
-function post-install {
+function post_install {
   echo "desktop/icewm-fancy" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/desktop/icewm-light b/package_selections/desktop/icewm-light
index 55bf6ed..dbec550 100644
--- a/package_selections/desktop/icewm-light
+++ b/package_selections/desktop/icewm-light
@@ -7,6 +7,6 @@ DESCRIPTION="Lighter IceWM setup"
 # TODO
 PACKAGES=""
 
-function post-install {
+function post_install {
   echo "desktop/icewm-light" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/desktop/none b/package_selections/desktop/none
index 4783fc3..7961c07 100644
--- a/package_selections/desktop/none
+++ b/package_selections/desktop/none
@@ -6,6 +6,6 @@ DESCRIPTION="No desktop - for advanced users that want to set things up themselv
 
 PACKAGES=""
 
-function post-install {
+function post_install {
   echo "desktop/none" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/desktop/openbox b/package_selections/desktop/openbox
index e77a1c6..80e9259 100644
--- a/package_selections/desktop/openbox
+++ b/package_selections/desktop/openbox
@@ -8,6 +8,6 @@ DESCRIPTION="OpenBox window manager (even more lightweight???)"
 # TODO also add xclock
 PACKAGES=""
 
-function post-install {
+function post_install {
   echo "desktop/openbox" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/extras/all b/package_selections/extras/all
index 573cc28..a11980d 100644
--- a/package_selections/extras/all
+++ b/package_selections/extras/all
@@ -11,7 +11,7 @@ DESCRIPTION="All of the above"
 #TODO
 PACKAGES=""
 
-function post-install {
+function post_install {
   # TODO: configure desktop backgounds if using IceWM
   echo "extras/all" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/extras/all-no-minecraft b/package_selections/extras/all-no-minecraft
index cfb3f58..0dce73a 100644
--- a/package_selections/extras/all-no-minecraft
+++ b/package_selections/extras/all-no-minecraft
@@ -11,7 +11,7 @@ DESCRIPTION="All of the above except Minecraft"
 #TODO
 PACKAGES=""
 
-function post-install {
+function post_install {
   # TODO: configure desktop backgounds if using IceWM
   echo "extras/all-no-minecraft" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/extras/desktop-backgrounds b/package_selections/extras/desktop-backgrounds
index bbd834c..17b92bb 100644
--- a/package_selections/extras/desktop-backgrounds
+++ b/package_selections/extras/desktop-backgrounds
@@ -10,7 +10,7 @@ DESCRIPTION="Add some desktop backgrounds and randomly choose one on login"
 
 PACKAGES=""
 
-function post-install {
+function post_install {
   # TODO: configure
   echo "extras/desktop-backgrounds" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/extras/minecraft b/package_selections/extras/minecraft
index e6e0765..d458592 100644
--- a/package_selections/extras/minecraft
+++ b/package_selections/extras/minecraft
@@ -11,6 +11,6 @@ DESCRIPTION="Prism Launcher for Minecraft"
 #TODO: Java stuff
 PACKAGES="PrismLauncher"
 
-function post-install {
+function post_install {
   echo "extras/minecraft" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/extras/minesweeper b/package_selections/extras/minesweeper
index 94beac3..f7e4c54 100644
--- a/package_selections/extras/minesweeper
+++ b/package_selections/extras/minesweeper
@@ -12,6 +12,6 @@ DESCRIPTION="??? (Minesweeper)"
 #TODO
 PACKAGES=""
 
-function post-install {
+function post_install {
   echo "extras/minesweeper" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/extras/none b/package_selections/extras/none
index 1004162..f5a74a6 100644
--- a/package_selections/extras/none
+++ b/package_selections/extras/none
@@ -6,6 +6,6 @@ DESCRIPTION="None"
 
 PACKAGES=""
 
-function post-install {
+function post_install {
   echo "extras/none" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/extras/snake b/package_selections/extras/snake
index 3dec7dc..f5ba485 100644
--- a/package_selections/extras/snake
+++ b/package_selections/extras/snake
@@ -12,6 +12,6 @@ DESCRIPTION="nSnake"
 #TODO
 PACKAGES="nSnake"
 
-function post-install {
+function post_install {
   echo "extras/snake" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/multimedia/none b/package_selections/multimedia/none
index 0ba9c16..071bbeb 100644
--- a/package_selections/multimedia/none
+++ b/package_selections/multimedia/none
@@ -6,6 +6,6 @@ DESCRIPTION="No"
 
 PACKAGES=""
 
-function post-install {
+function post_install {
   echo "multimedia/none" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/multimedia/vlc b/package_selections/multimedia/vlc
index 2428b2f..badb744 100644
--- a/package_selections/multimedia/vlc
+++ b/package_selections/multimedia/vlc
@@ -11,6 +11,6 @@ DESCRIPTION="Install VLC"
 #TODO: fluidsynth MIDI stuff
 PACKAGES="vlc"
 
-function post-install {
+function post_install {
   echo "multimedia/vlc" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/nvidia/none b/package_selections/nvidia/none
index ca24ea2..c07db39 100644
--- a/package_selections/nvidia/none
+++ b/package_selections/nvidia/none
@@ -6,6 +6,6 @@ DESCRIPTION="Don’t install."
 
 PACKAGES=""
 
-function post-install {
+function post_install {
   echo "nvidia/none" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/nvidia/nvidia b/package_selections/nvidia/nvidia
index e9efae6..26e9911 100644
--- a/package_selections/nvidia/nvidia
+++ b/package_selections/nvidia/nvidia
@@ -11,7 +11,7 @@ DESCRIPTION="Latest Nvidia driver, supports GTX ??? series and up"
 #TODO: optimus support?
 PACKAGES="nvidia"
 
-function post-install {
+function post_install {
   #TODO: nvidia modeset kernel parameter?
   echo "nvidia/nvidia" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/nvidia/nvidia390 b/package_selections/nvidia/nvidia390
index 51261f6..930b243 100644
--- a/package_selections/nvidia/nvidia390
+++ b/package_selections/nvidia/nvidia390
@@ -11,7 +11,7 @@ DESCRIPTION="Legacy Nvidia driver, version 390, supports GTX ??? series"
 #TODO: Optimus support?
 PACKAGES="nvidia390"
 
-function post-install {
+function post_install {
   #TODO: nvidia modeset kernel parameter?
   echo "nvidia/nvidia390" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/nvidia/nvidia470 b/package_selections/nvidia/nvidia470
index bd6b6e1..db95f1f 100644
--- a/package_selections/nvidia/nvidia470
+++ b/package_selections/nvidia/nvidia470
@@ -11,7 +11,7 @@ DESCRIPTION="Legacy Nvidia driver, version 470, supports GTX ??? series"
 #TODO: optimus support?
 PACKAGES="nvidia470"
 
-function post-install {
+function post_install {
   #TODO: nvidia modeset kernel parameter?
   echo "nvidia/nvidia470" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/pre-configure/bashrc b/package_selections/pre-configure/bashrc
index 42add9f..2a069de 100644
--- a/package_selections/pre-configure/bashrc
+++ b/package_selections/pre-configure/bashrc
@@ -6,7 +6,7 @@ DESCRIPTION="Only add custom bashrc (advanced users)"
 
 PACKAGES=""
 
-function post-install {
+function post_install {
   #TODO: configure things
 
   echo "pre-configure/bashrc" >> /tmp/stage-2-choices
diff --git a/package_selections/pre-configure/gui-and-bashrc b/package_selections/pre-configure/gui-and-bashrc
index f3cea31..d08514e 100644
--- a/package_selections/pre-configure/gui-and-bashrc
+++ b/package_selections/pre-configure/gui-and-bashrc
@@ -10,7 +10,7 @@ DESCRIPTION="Auto-start GUI session on login and add custom bashrc (recommended)
 
 PACKAGES=""
 
-function post-install {
+function post_install {
   #TODO: configure things
 
   echo "pre-configure/gui-and-bashrc" >> /tmp/stage-2-choices
diff --git a/package_selections/pre-configure/none b/package_selections/pre-configure/none
index bf3fdea..2ee7673 100644
--- a/package_selections/pre-configure/none
+++ b/package_selections/pre-configure/none
@@ -6,6 +6,6 @@ DESCRIPTION="No (advanced users)"
 
 PACKAGES=""
 
-function post-install {
+function post_install {
   echo "pre-configure/none" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/systray/network b/package_selections/systray/network
index 21cca79..1211514 100644
--- a/package_selections/systray/network
+++ b/package_selections/systray/network
@@ -15,6 +15,6 @@ DESCRIPTION="Add tray icon for network"
 #TODO
 PACKAGES=""
 
-function post-install {
+function post_install {
   echo "systray/network" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/systray/network-and-audio b/package_selections/systray/network-and-audio
index 6300567..3b33f8f 100644
--- a/package_selections/systray/network-and-audio
+++ b/package_selections/systray/network-and-audio
@@ -15,6 +15,6 @@ DESCRIPTION="Add tray icon for network and audio"
 #TODO
 PACKAGES=""
 
-function post-install {
+function post_install {
   echo "systray/network-and-audio" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/systray/none b/package_selections/systray/none
index bfce3cb..8b06d96 100644
--- a/package_selections/systray/none
+++ b/package_selections/systray/none
@@ -6,6 +6,6 @@ DESCRIPTION="Don’t install additional tray icons"
 
 PACKAGES=""
 
-function post-install {
+function post_install {
   echo "systray/none" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/terminal/lxterminal b/package_selections/terminal/lxterminal
index d35c761..33816b1 100644
--- a/package_selections/terminal/lxterminal
+++ b/package_selections/terminal/lxterminal
@@ -10,6 +10,6 @@ DESCRIPTION="LXDE Terminal (recommended)"
 
 PACKAGES="lxterminal"
 
-function post-install {
+function post_install {
   echo "terminal/lxterminal" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/terminal/none b/package_selections/terminal/none
index 27811e7..1f6318b 100644
--- a/package_selections/terminal/none
+++ b/package_selections/terminal/none
@@ -6,6 +6,6 @@ DESCRIPTION="None (advanced users only)"
 
 PACKAGES="none"
 
-function post-install {
+function post_install {
   echo "terminal/none" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/terminal/xterm b/package_selections/terminal/xterm
index b2004d5..bc46ba7 100644
--- a/package_selections/terminal/xterm
+++ b/package_selections/terminal/xterm
@@ -10,6 +10,6 @@ DESCRIPTION="Xterm"
 
 PACKAGES="xterm"
 
-function post-install {
+function post_install {
   echo "terminal/xterm" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/utilities/desktop-integrated-guisysmon b/package_selections/utilities/desktop-integrated-guisysmon
index 7f07634..b03078b 100644
--- a/package_selections/utilities/desktop-integrated-guisysmon
+++ b/package_selections/utilities/desktop-integrated-guisysmon
@@ -12,6 +12,6 @@ DESCRIPTION="Fully featured (list of things) (recommended)"
 #TODO
 PACKAGES=""
 
-function post-install {
+function post_install {
   echo "utilities/desktop-integrated-guisysmon" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/utilities/desktop-integrated-htop b/package_selections/utilities/desktop-integrated-htop
index 4bad1f1..bfdb6c9 100644
--- a/package_selections/utilities/desktop-integrated-htop
+++ b/package_selections/utilities/desktop-integrated-htop
@@ -12,6 +12,6 @@ DESCRIPTION="Fully featured (list of things with htop)"
 #TODO
 PACKAGES=""
 
-function post-install {
+function post_install {
   echo "utilities/desktop-integrated-htop" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/utilities/none b/package_selections/utilities/none
index 7b0d51b..47552a1 100644
--- a/package_selections/utilities/none
+++ b/package_selections/utilities/none
@@ -6,6 +6,6 @@ DESCRIPTION="None"
 
 PACKAGES=""
 
-function post-install {
+function post_install {
   echo "utilities/none" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/utilities/xfe-guisysmon b/package_selections/utilities/xfe-guisysmon
index b6d2c46..c4b6d75 100644
--- a/package_selections/utilities/xfe-guisysmon
+++ b/package_selections/utilities/xfe-guisysmon
@@ -12,6 +12,6 @@ DESCRIPTION="Smaller set of desktop utilities (XFE + ???)"
 #TODO
 PACKAGES="xfe"
 
-function post-install {
+function post_install {
   echo "utilities/xfe-guisysmon" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/utilities/xfe-htop b/package_selections/utilities/xfe-htop
index 833b2a5..5b8b578 100644
--- a/package_selections/utilities/xfe-htop
+++ b/package_selections/utilities/xfe-htop
@@ -10,6 +10,6 @@ DESCRIPTION="Smaller set of desktop utilities (XFE + Htop)"
 
 PACKAGES="xfe htop"
 
-function post-install {
+function post_install {
   echo "utilities/xfe-htop" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/web/elinks b/package_selections/web/elinks
index ecb4d2b..0149b86 100644
--- a/package_selections/web/elinks
+++ b/package_selections/web/elinks
@@ -6,6 +6,6 @@ DESCRIPTION="Install ELinks (terminal-based browser)"
 
 PACKAGES="elinks"
 
-function post-install {
+function post_install {
   echo "web/elinks" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/web/evil b/package_selections/web/evil
index a4e3f45..d0847ce 100644
--- a/package_selections/web/evil
+++ b/package_selections/web/evil
@@ -10,6 +10,6 @@ DESCRIPTION="Join the dark side with Chromium (Consider Firefox... You can still
 
 PACKAGES="chromium"
 
-function post-install {
+function post_install {
   echo "web/evil" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/web/firefox b/package_selections/web/firefox
index 8c81b55..ff44806 100644
--- a/package_selections/web/firefox
+++ b/package_selections/web/firefox
@@ -10,6 +10,6 @@ DESCRIPTION="Install Firefox (recommended)"
 
 PACKAGES="firefox"
 
-function post-install {
+function post_install {
   echo "web/firefox" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/web/firefox-esr b/package_selections/web/firefox-esr
index f8c3b53..88827c6 100644
--- a/package_selections/web/firefox-esr
+++ b/package_selections/web/firefox-esr
@@ -10,6 +10,6 @@ DESCRIPTION="Install Firefox - Extended Support Release (ESR)"
 
 PACKAGES="firefox-esr"
 
-function post-install {
+function post_install {
   echo "web/firefox-esr" >> /tmp/stage-2-choices
 }
diff --git a/package_selections/web/none b/package_selections/web/none
index 32d0693..faa41dc 100644
--- a/package_selections/web/none
+++ b/package_selections/web/none
@@ -6,6 +6,6 @@ DESCRIPTION="No web browser"
 
 PACKAGES=""
 
-function post-install {
+function post_install {
   echo "web/none" >> /tmp/stage-2-choices
 }