diff --git a/Zend/tests/bug39018.phpt b/Zend/tests/bug39018.phpt
index 128f06d6a16..1bc23d3bab6 100644
--- a/Zend/tests/bug39018.phpt
+++ b/Zend/tests/bug39018.phpt
@@ -65,7 +65,7 @@ print "\nDone\n";
 
 Notice: Uninitialized string offset: 0 in %s on line 12
 
-Notice: Uninitialized string offset: -2147483648 in %s on line 16
+Notice: Uninitialized string offset: -%d in %s on line 16
 
 Notice: Uninitialized string offset: 4 in %s on line 28