diff --git a/mozilla/js/tests/js1_5/Regress/regress-152646.js b/mozilla/js/tests/js1_5/Regress/regress-152646.js
index adb437401a4..55bd5a585df 100644
--- a/mozilla/js/tests/js1_5/Regress/regress-152646.js
+++ b/mozilla/js/tests/js1_5/Regress/regress-152646.js
@@ -72,6 +72,7 @@ sRight += sRight;
 sRight += sRight;
 sRight += sRight;
 sRight += sRight;
+sRight += sRight;
 
 var sEval = 'actual = ' + sLeft + '0' + sRight;
 try