Index: wp-admin/css/global-rtl.dev.css
===================================================================
--- wp-admin/css/global-rtl.dev.css	(revision 18407)
+++ wp-admin/css/global-rtl.dev.css	(working copy)
@@ -11,7 +11,7 @@
 	margin-right: 165px;
 }
 
-.folded #wpcontent {
+.folded #wpcontent, .js.folded #wpcontent {
 	margin-left: 0;
 	margin-right: 52px;
 }