diff --git a/source/Ox/js/DOM.js b/source/Ox/js/DOM.js
index fd4d3497..e1590278 100644
--- a/source/Ox/js/DOM.js
+++ b/source/Ox/js/DOM.js
@@ -216,7 +216,7 @@ Ox.$ = Ox.element = function(value) {
             if (arguments.length == 0) {
                 ret = this[0].innerHTML;
             } else {
-                this[0].innerHTML = str;
+                this[0].innerHTML = string;
                 ret = this;
             }
             return ret;