diff --git a/lib/HeaderTabs/HeaderTabs.module.css b/lib/HeaderTabs/HeaderTabs.module.css
index 5d24298c..ef1fae4b 100644
--- a/lib/HeaderTabs/HeaderTabs.module.css
+++ b/lib/HeaderTabs/HeaderTabs.module.css
@@ -19,7 +19,7 @@
     background-color: light-dark(var(--mantine-color-white), var(--mantine-color-dark-8));
   }
 
-  @media (max-width: $mantine-breakpoint-xs) {
+  @media (max-width: mantine-breakpoint-xs) {
     display: none;
   }
 }