diff --git a/src/browser/base/zen-components/ZenCompactMode.mjs b/src/browser/base/zen-components/ZenCompactMode.mjs
index 92e2b3f0..3b06ae88 100644
--- a/src/browser/base/zen-components/ZenCompactMode.mjs
+++ b/src/browser/base/zen-components/ZenCompactMode.mjs
@@ -153,7 +153,7 @@ var gZenCompactModeManager = {
         }
 
         window.requestAnimationFrame(() => {
-          this.sidebar.style.transition = "margin .3s ease, transform .4s ease, opacity .3s ease";
+          this.sidebar.style.transition = "margin .3s ease, transform .3s ease, opacity .3s ease";
           // we are in compact mode and we are exiting it
           if (!this.sidebarIsOnRight) {
             this.sidebar.style.marginLeft = "0";