diff --git a/themes/680424a8-a818-406b-98c5-7726214e2a9f/chrome.css b/themes/680424a8-a818-406b-98c5-7726214e2a9f/chrome.css
index b9c413f1..9fbbaee5 100644
--- a/themes/680424a8-a818-406b-98c5-7726214e2a9f/chrome.css
+++ b/themes/680424a8-a818-406b-98c5-7726214e2a9f/chrome.css
@@ -2,7 +2,7 @@
 @media not (-moz-bool-pref: "zen.view.compact") {   
     #tabbrowser-tabpanels {
         & .browserSidebarContainer:not([zen-split="true"]) {
-            --zen-browser-border-radius: var(--zen-border-radius) 0 0 0;
+            --zen-border-radius: var(--zen-border-radius) 0 0 0;
             --zen-element-separation: 0;
         }
     }