diff --git a/grml-live b/grml-live
index daa4da95..ce6cb35d 100755
--- a/grml-live
+++ b/grml-live
@@ -678,7 +678,7 @@ if [ -z "$FAI_DEBOOTSTRAP" ] ; then
 fi
 
 if [ -z "$FAI_DEBOOTSTRAP_OPTS" ] ; then
-  FAI_DEBOOTSTRAP_OPTS="--exclude=info,tasksel,tasksel-data --include=aptitude --arch $ARCH"
+  FAI_DEBOOTSTRAP_OPTS="--exclude=info,tasksel,tasksel-data --include=aptitude --arch $ARCH --no-merged-usr"
 fi
 
 # create backup of old (not yet automatically generated) config file