diff --git a/src/attributes.js b/src/attributes.js
index d6179a126..82ebe7279 100644
--- a/src/attributes.js
+++ b/src/attributes.js
@@ -475,10 +475,9 @@ if ( !jQuery.support.optSelected ) {
 }
 
 // IE6/7 do not support getting/setting some attributes with get/setAttribute
-
 if ( jQuery.support.attrFix ) {
-    jQuery.extend(jQuery.attrFix, {
-        "for": "htmlFor",
+	jQuery.extend( jQuery.attrFix, {
+		"for": "htmlFor",
 		"class": "className",
 		readonly: "readOnly",
 		maxlength: "maxLength",
@@ -488,5 +487,7 @@ if ( jQuery.support.attrFix ) {
 		tabindex: "tabIndex",
 		usemap: "useMap",
 		frameborder: "frameBorder"
-    });
-}
\ No newline at end of file
+	});
+}
+
+})( jQuery );
\ No newline at end of file
diff --git a/src/support.js b/src/support.js
index 3ca28d204..ebda569f4 100644
--- a/src/support.js
+++ b/src/support.js
@@ -59,7 +59,7 @@
 		// (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
 		optSelected: opt.selected,
 
-		attrFix: div.getAttribute("className") === "t",
+		attrFix: div.className === "t",
 
 		// Will be defined later
 		deleteExpando: true,