diff --git a/css/ol.css b/css/ol.css
index 9ea161c497..45555cfdde 100644
--- a/css/ol.css
+++ b/css/ol.css
@@ -165,6 +165,8 @@ a.ol-full-screen-true:after {
   line-height: 26px;
 }
 .ol-zoom a:hover {
+  color: #fff;
+  text-decoration: none;
   background: rgba(0,60,136,0.7);
 }