diff --git a/Objective-J/Tools/objj/lib/objj/regexp-rhino-patch.js b/Objective-J/Tools/objj/lib/objj/regexp-rhino-patch.js
index 9b0c15e03..c8bf0d6f3 100644
--- a/Objective-J/Tools/objj/lib/objj/regexp-rhino-patch.js
+++ b/Objective-J/Tools/objj/lib/objj/regexp-rhino-patch.js
@@ -62,7 +62,7 @@ function newMatch(regex)
             var group = matcher.group(index);
             
             if (group != null)
-                groups[i] = group;
+                groups[index] = group;
         }
     }