diff --git a/src/zen/common/styles/zen-panel-ui.css b/src/zen/common/styles/zen-panel-ui.css
index 9c1a0c4dd..d093d0373 100644
--- a/src/zen/common/styles/zen-panel-ui.css
+++ b/src/zen/common/styles/zen-panel-ui.css
@@ -20,7 +20,7 @@ panel[type="arrow"] {
     }
     -moz-window-opacity: 0;
     &[animate="open"] {
-      animation: zen-jello-animation-macos 0.2s ease-in-out forwards !important;
+      animation: zen-jello-animation-macos 0.1s ease-out forwards !important;
     }
   }
 }