diff --git a/zlibs/iso b/zlibs/iso
index 038c236..296f245 100755
--- a/zlibs/iso
+++ b/zlibs/iso
@@ -139,7 +139,7 @@ iso_mkusr() {
 	rsync -av $strapdir/ $usrdir --exclude-from=$ztmpfile
 
 	mkdir -p $isodir/live
-	mksquashfs $usrdir/ $isodir/live/filesystem.squashfs
+	mksquashfs $usrdir/ $isodir/live/filesystem.squashfs -noappend
 }
 	
 iso_make() {