diff --git a/run-tests.php b/run-tests.php
index 202d8663072..3f96c0107f4 100755
--- a/run-tests.php
+++ b/run-tests.php
@@ -175,7 +175,7 @@ $ini_overwrites = array(
 		'safe_mode=0',
 		'disable_functions=',
 		'output_buffering=Off',
-		'error_reporting=8191',
+		'error_reporting=16383',
 		'display_errors=1',
 		'display_startup_errors=1',
 		'log_errors=0',