diff --git a/tests/reftests/css-match-inherit.css b/tests/reftests/css-match-inherit.css
index b96a01a659..f6d6a079a1 100644
--- a/tests/reftests/css-match-inherit.css
+++ b/tests/reftests/css-match-inherit.css
@@ -1,5 +1,6 @@
 * {
   engine: none;
+  color: inherit;
 }
 
 GtkButton {