diff --git a/testsuite/reftests/background-color-transparent.css b/testsuite/reftests/background-color-transparent.css
index 0d5f5ee2a6..43cf3100d0 100644
--- a/testsuite/reftests/background-color-transparent.css
+++ b/testsuite/reftests/background-color-transparent.css
@@ -1,4 +1,6 @@
-* {
+@import "reset-to-defaults.css";
+
+window {
   background-image: none;
   border-radius: 0;
   background-color: purple;