diff --git a/install-stage1.sh b/install-stage1.sh
index 2ded17e..b17021d 100644
--- a/install-stage1.sh
+++ b/install-stage1.sh
@@ -86,13 +86,13 @@ KBD_LAYOUT="de-latin1"
 clear
 echo "Select the USB stick to install to (NAME column below)...
 "
-# exclude loop devices
-lsblk --exclude 7 --nodeps --output NAME,SIZE,MODEL
+# exclude loop devices and optical drives
+lsblk --exclude 7,11 --nodeps --output NAME,SIZE,MODEL
 echo ""
 read -p "> " TARGET_DISK
 
 while [ ! -b "/dev/$TARGET_DISK" ]; do
-  lsblk --exclude 7 --nodeps --output NAME,SIZE,MODEL
+  lsblk --exclude 7,11 --nodeps --output NAME,SIZE,MODEL
   echo "$TARGET_DISK is not a valid device!"
   read -p "> " TARGET_DISK
 done
diff --git a/notes_to_self.txt b/notes_to_self.txt
index 6fc29f7..eb9e252 100644
--- a/notes_to_self.txt
+++ b/notes_to_self.txt
@@ -13,7 +13,6 @@ make our own or extract (if feasible) kb selection and time zone selection to hi
     - kbd-data
 overview of the installation process at the start
 overall progress indication (step x out of y)
-exclude optical drives
 add bash completion along the line somewhere
 replace OpenBox with something lighter
 allow unprivileged users to mount / unmount disks in GUI sessions