diff --git a/toolkit/content/xul.css b/toolkit/content/xul.css
index dcb250bdb1b..ee4ae00c2ea 100644
--- a/toolkit/content/xul.css
+++ b/toolkit/content/xul.css
@@ -421,7 +421,7 @@ panel[type="arrow"][animate="open"] {
   opacity: 1.0;
 }
 
-panel[animate="cancel"] {
+panel[type="arrow"][animate="cancel"] {
   transform: none;
 }