diff --git a/pkg/util/mount/mount_linux.go b/pkg/util/mount/mount_linux.go
index 9bf64ada3e..9899ebf80f 100644
--- a/pkg/util/mount/mount_linux.go
+++ b/pkg/util/mount/mount_linux.go
@@ -266,7 +266,7 @@ func (mounter *Mounter) IsLikelyNotMountPoint(file string) (bool, error) {
 	if err != nil {
 		return true, err
 	}
-	rootStat, err := os.Lstat(file + "/..")
+	rootStat, err := os.Lstat(filepath.Dir(strings.TrimSuffix(file, "/")))
 	if err != nil {
 		return true, err
 	}