diff --git a/tests/reftests/entry-progress-coloring.css b/tests/reftests/entry-progress-coloring.css
index 3c93a76d0a..6359b9f4f3 100644
--- a/tests/reftests/entry-progress-coloring.css
+++ b/tests/reftests/entry-progress-coloring.css
@@ -4,6 +4,7 @@
   padding: 0;
   engine: none;
   font: Monospace;
+  border-image: none;
 }
 
 GtkEntry #padded {