diff --git a/ext/opcache/tests/opcache_invalidate_deleted_file.phpt b/ext/opcache/tests/opcache_invalidate_deleted_file.phpt
index 53c7cd5b6b9..14623a684b3 100644
--- a/ext/opcache/tests/opcache_invalidate_deleted_file.phpt
+++ b/ext/opcache/tests/opcache_invalidate_deleted_file.phpt
@@ -16,11 +16,12 @@ PHP);
 var_dump(include $file);
 unlink($file);
 var_dump(include $file);
-opcache_invalidate($file);
+var_dump(opcache_invalidate($file));
 var_dump(@(include $file));
 
 ?>
 --EXPECT--
 int(42)
 int(42)
+bool(true)
 bool(false)