diff -ru a/generic/initrd.scripts b/generic/initrd.scripts
--- a/generic/initrd.scripts	2008-02-17 14:29:38.000000000 +0100
+++ b/generic/initrd.scripts	2008-02-17 15:19:29.000000000 +0100
@@ -934,6 +934,6 @@
 find_looptype() {
 	LOOPTYPE="${LOOP##*.}"
 	[ "${LOOPTYPE}" == "loop" ] && LOOPTYPE="normal"
-	[ "${LOOP}" == "/zisofs" ] && LOOPTYPE="${LOOP:1}"
+	[ "${LOOP}" == "/zisofs" ] && LOOPTYPE="${LOOP#/}"
 	[ -z "${LOOPTYPE}" ] && LOOPTYPE="noloop"
 }