diff --git a/debian/changelog b/debian/changelog
index 4e2ddcf5..94895a52 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+livecd-rootfs (1.123) UNRELEASED; urgency=low
+
+  * Make sure LIVE_BOOT_SCRIPTS is always defined.
+
+ -- Colin Watson <cjwatson@ubuntu.com>  Sat, 26 Jun 2010 10:26:36 +0100
+
 livecd-rootfs (1.122) maverick; urgency=low
 
   * livecd.sh don't set a variable to itself, especially when the variable
diff --git a/livecd.sh b/livecd.sh
index 801c6627..efc40b9a 100755
--- a/livecd.sh
+++ b/livecd.sh
@@ -179,7 +179,9 @@ if (( $# == 0 )) || [ "X$1" = "Xall" ]; then
 fi
 
 if [ "$IMAGEFORMAT" = "ext2" ] || [ "$IMAGEFORMAT" = "ext3" ]; then
-       LIVE_BOOT_SCRIPTS="jasper"
+    LIVE_BOOT_SCRIPTS="jasper"
+else
+    LIVE_BOOT_SCRIPTS=
 fi
 
 for arg in "$@"; do