diff --git a/theme/src/client/components/Nav/NavScreen.vue b/theme/src/client/components/Nav/NavScreen.vue
index 56ca32ef..4bf7eba4 100644
--- a/theme/src/client/components/Nav/NavScreen.vue
+++ b/theme/src/client/components/Nav/NavScreen.vue
@@ -33,7 +33,7 @@ const isLocked = useScrollLock(inBrowser ? document.body : null)
 <style scoped>
 .nav-screen {
   position: fixed;
-  inset: calc(var(--vp-nav-height) + var(--vp-layout-top-height, 0px)) 0 0 0;
+  inset: calc(var(--vp-nav-height) + var(--vp-layout-top-height, 0px)) 0 0;
 
   /* rtl:ignore */