diff --git a/PVE/Storage.pm b/PVE/Storage.pm
index 1b5dc66..c30d37a 100755
--- a/PVE/Storage.pm
+++ b/PVE/Storage.pm
@@ -1761,7 +1761,7 @@ sub nfs_is_mounted {
 
     $mountdata = read_proc_mounts() if !$mountdata;
 
-    if ($mountdata =~ m/^$source\s$mountpoint\snfs/m) {
+    if ($mountdata =~ m|^$source/?\s$mountpoint\snfs|m) {
 	return $mountpoint;
     }