diff --git a/tests/reftests/label-sizing.css b/tests/reftests/label-sizing.css
index d84c0e3a7d..0d356b6819 100644
--- a/tests/reftests/label-sizing.css
+++ b/tests/reftests/label-sizing.css
@@ -3,6 +3,6 @@
   padding: 0;
 }
 
-GtkPaned GtkEventBox {
+GtkPaned GtkLabel {
   background-color: pink
 }