diff --git a/tests/reftests/border-image-url.css b/tests/reftests/border-image-url.css
index a5b419597d..a1fdb7e1ea 100644
--- a/tests/reftests/border-image-url.css
+++ b/tests/reftests/border-image-url.css
@@ -12,4 +12,5 @@
   border-style: solid;
   border-width: 1 2 2 1;
   border-radius: 0;
+  border-image: none;
 }