diff --git a/src/css/mapbox-gl.css b/src/css/mapbox-gl.css
index f9c5593cf9d..ea01f120893 100644
--- a/src/css/mapbox-gl.css
+++ b/src/css/mapbox-gl.css
@@ -147,7 +147,7 @@
     opacity: 0.25;
 }
 
-.mapboxgl-ctrl-group button:first-child {
+.mapboxgl-ctrl-group button:first-of-type {
     border-radius: 4px 4px 0 0;
 }