diff --git a/tests/lock_setup.php b/tests/lock_setup.php
index 5193548dc..eb8847631 100644
--- a/tests/lock_setup.php
+++ b/tests/lock_setup.php
@@ -1,6 +1,6 @@
 <?php
 
-$lock = fopen('/tmp/woodpecker.lock', 'c+');
+$lock = fopen('woodpecker.lock', 'c+');
 flock($lock, LOCK_EX);
 
 if (fread($lock, 1) !== "1") {