diff --git a/tests/CodeCacheTest.php b/tests/CodeCacheTest.php
index 6703bac5..2d1f0e2d 100644
--- a/tests/CodeCacheTest.php
+++ b/tests/CodeCacheTest.php
@@ -103,6 +103,7 @@ function testReparseAfterTouch()
         $time1 = filemtime('input/code-cache-01.html');
         touch('input/code-cache-01.html', time());
         clearstatcache();
+        sleep(1);
         $time2 = filemtime('input/code-cache-01.html');
         $this->assertNotEquals($time1, $time2, "touch() must work");