diff --git a/themes/compat/theme.css b/themes/compat/theme.css
index 6fc0249b1..6f6586a4f 100644
--- a/themes/compat/theme.css
+++ b/themes/compat/theme.css
@@ -485,7 +485,7 @@ div.helpResponse {
 	position : relative;
 	bottom : 2px;
 	right : 2px;
-	background-color : white;
+	background : white;
 }
 
 #infoBoxShadow {