diff --git a/lib/daemon.php b/lib/daemon.php
index 09144afe73..0bda0272f4 100644
--- a/lib/daemon.php
+++ b/lib/daemon.php
@@ -80,7 +80,7 @@ class Daemon {
 		if (!$name) {
 			return NULL;
 		}
-		return $piddir . '/' . $name;
+		return $piddir . '/' . $name . '.pid';
 	}
 
 	function changeUser() {