diff --git a/src/browser/base/content/zen-styles/zen-tabs/vertical-tabs.css b/src/browser/base/content/zen-styles/zen-tabs/vertical-tabs.css
index c8eecc8ba..62239003f 100644
--- a/src/browser/base/content/zen-styles/zen-tabs/vertical-tabs.css
+++ b/src/browser/base/content/zen-styles/zen-tabs/vertical-tabs.css
@@ -28,6 +28,7 @@
   :root:not([zen-window-buttons-reversed='true']) .titlebar-buttonbox-container {
     margin-left: auto;
     width: fit-content;
+    margin-right: var(--zen-element-separation);
   }
 
   #TabsToolbar > * {