diff --git a/ext/zlib/tests/gzseek_seek_oob.phpt b/ext/zlib/tests/gzseek_seek_oob.phpt
index 021f8cb174d..e05ea4778b9 100644
--- a/ext/zlib/tests/gzseek_seek_oob.phpt
+++ b/ext/zlib/tests/gzseek_seek_oob.phpt
@@ -4,7 +4,7 @@ Test function gzseek() by seeking out of bounds
 zlib
 --FILE--
 <?php
-$f = __DIR__."/004.txt.gz";
+$f = __DIR__."/data/test.txt.gz";
 $h = gzopen($f, 'r');
 
 var_dump(gzseek($h, -100, SEEK_CUR));