diff --git a/ct/debian.sh b/ct/debian.sh
index 5a6aa2f2..25334366 100644
--- a/ct/debian.sh
+++ b/ct/debian.sh
@@ -122,6 +122,12 @@ function cleanup() {
   popd >/dev/null
   rm -rf $TEMP_DIR
 }
+ if [ "$IM" == "1" ]; then 
+ FEATURES="nesting=1,keyctl=1,mknod=1"
+ else
+ FEATURES="nesting=1"
+ fi
+
 TEMP_DIR=$(mktemp -d)
 pushd $TEMP_DIR >/dev/null
 
@@ -130,7 +136,7 @@ export PCT_OSTYPE=debian
 export PCT_OSVERSION=11
 export PCT_DISK_SIZE=2
 export PCT_OPTIONS="
-  -features nesting=1,keyctl=1,mknod=1
+  -features $FEATURES
   -hostname debian
   -net0 name=eth0,bridge=vmbr0,ip=dhcp
   -onboot 1