diff --git a/install-stage1.sh b/install-stage1.sh
index 65ba728..2ded17e 100644
--- a/install-stage1.sh
+++ b/install-stage1.sh
@@ -136,7 +136,7 @@ fi
 echo -n "Wiping and partitioning storage... "
 # new GPT
 # 2M BIOS GRUB
-# 268M ESP
+# 66592 sectors ESP (first sector + 66591 sectors, the minimum to format FAT32 with default settings)
 # everything else one big partition
 echo "g
 n
@@ -146,7 +146,7 @@ n
 n
 
 
-+268M
++66591
 n