diff --git a/css/map.css b/css/map.css
index 173d4a21b..ee8783a5b 100644
--- a/css/map.css
+++ b/css/map.css
@@ -25,6 +25,7 @@ use { pointer-events: none; }
 
 /* base styles */
 .layer path { fill: none; }
+.layer use path { fill: inherit; }  /* FF svg icons */
 
 g.point .shadow,
 g.vertex .shadow,