diff --git a/lib/File/DirWalk.pm b/lib/File/DirWalk.pm
index e9379ce..5836255 100644
--- a/lib/File/DirWalk.pm
+++ b/lib/File/DirWalk.pm
@@ -136,7 +136,7 @@ sub walk {
 			}
 		}
 
-		opendir my $dirh, $path || return FAILED;
+		opendir (my $dirh, $path) || return FAILED;
 		my @dir_contents = readdir $dirh;
 		@dir_contents    = File::Spec->no_upwards(@dir_contents);