diff --git a/trac/htdocs/main.css b/trac/htdocs/main.css
index eaa11d8..5e17695 100644
--- a/trac/htdocs/main.css
+++ b/trac/htdocs/main.css
@@ -9,7 +9,7 @@ body {
    margin-top: 0;
    margin-bottom: 0;
 }
-#mainnav :hover, #mainnav :hover {
+#mainnav li a:hover, #mainnav li a:hover {
    background: #528E51;
 }
 #mainnav .active :link, #mainnav .active :visited {