diff --git a/install/calculate b/install/calculate
index 2052278..800ecb5 100755
--- a/install/calculate
+++ b/install/calculate
@@ -6356,6 +6356,7 @@ sub initrd_clean{
 		if(!$mod_run{$1} &&
 		   $1 ne 'squashfs' &&
 		   $1 ne 'zlib_inflate' &&
+		   $1 ne 'aufs' &&
 		   $1 ne 'unionfs'
 		){
 			`rm $_`;