diff --git a/git-prune-script b/git-prune-script
index 2c678f26a4ec8c9a319944b76c427b30450bf861..a8e338c488865b1579071ea363fc18fa8e3d8890 100755
--- a/git-prune-script
+++ b/git-prune-script
@@ -20,6 +20,6 @@ sed -ne '/unreachable /{
     s|\(..\)|\1/|p
 }' | {
 	cd "$GIT_OBJECT_DIRECTORY" || exit
-	xargs -r $dryrun rm -f
+	xargs $dryrun rm -f
 }