diff --git a/lizmap/www/css/map.css b/lizmap/www/css/map.css
index 182c9ab553..b731b73e6c 100755
--- a/lizmap/www/css/map.css
+++ b/lizmap/www/css/map.css
@@ -603,6 +603,7 @@ Timemanager
 }
 #switcher div.legendGraphics img{
   position: relative;
+  max-width: none;
 }
 #switcher .treeTable td a.expander {
   font-size : 1em;