Index: src/wp-includes/css/admin-bar.css
===================================================================
--- src/wp-includes/css/admin-bar.css	(revision 27983)
+++ src/wp-includes/css/admin-bar.css	(working copy)
@@ -509,11 +509,14 @@
 }
 
 #wpadminbar #wp-admin-bar-site-name > .ab-item:before {
+	content: "\f226";
+}
+
+.wp-admin #wpadminbar #wp-admin-bar-site-name > .ab-item:before {
 	content: "\f102";
 }
 
 
-
 /**
  * Comments
  */