diff --git a/cleanup_samba_rights.sh b/cleanup_samba_rights.sh
index e0aede1..62d8d58 100755
--- a/cleanup_samba_rights.sh
+++ b/cleanup_samba_rights.sh
@@ -6,8 +6,12 @@ group=$2
 file_perm=${3:-664}
 dir_perm=${4:-2775}
 
-chmod $dir_perm $base_dir
-chgrp $group $base_dir
+set_also_base_dir=${5:-false}
+
+if $set_also_base_dir ; then
+   chmod $dir_perm $base_dir
+   chgrp $group $base_dir
+fi
 
 while IFS='' read -r -d '' filename ; do