diff --git a/lib/web/css/source/lib/_buttons.less b/lib/web/css/source/lib/_buttons.less
index a575442b77e55..89a37222b1324 100644
--- a/lib/web/css/source/lib/_buttons.less
+++ b/lib/web/css/source/lib/_buttons.less
@@ -244,6 +244,7 @@
     -moz-box-sizing: content-box; // Hack: fix Firefox button line-height problem
     border: 0;
     box-shadow: none;
+    .lib-css(color, @primary__color);
     line-height: inherit;
     margin: 0;
     padding: 0;