diff --git a/src/browser/themes/shared/zen-browser-shared.css b/src/browser/themes/shared/zen-browser-shared.css
index 96b46a42a..42e5af051 100644
--- a/src/browser/themes/shared/zen-browser-shared.css
+++ b/src/browser/themes/shared/zen-browser-shared.css
@@ -724,4 +724,8 @@ panelmultiview {
     grid-template-columns: 1fr 1fr 1fr;
     transition: .1s;
   }
+
+  #zen-sidebar-icons-wrapper::before {
+    width: 100%;
+  }
 }
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