diff --git a/css/layout.css b/css/layout.css
index a25ab82a..a66b1027 100644
--- a/css/layout.css
+++ b/css/layout.css
@@ -367,6 +367,10 @@ div.spacer, li.spacer {
 	display: block;
 }
 
+	.mceToolbarExternal a {
+		text-decoration: none;
+	}
+
 
 #right form#Form_EditorToolbarLinkForm,
 #right form#Form_EditorToolbarImageForm,