diff --git a/theme/src/client/composables/sidebar.ts b/theme/src/client/composables/sidebar.ts
index 08d505cd..a8ec2873 100644
--- a/theme/src/client/composables/sidebar.ts
+++ b/theme/src/client/composables/sidebar.ts
@@ -373,7 +373,7 @@ export function useSidebarControl(item: ComputedRef<ResolvedSidebarItem>): Sideb
     }
 
     return item.value.items
-      ? containsActiveLink(page.value.filePathRelative || '', item.value.items)
+      ? containsActiveLink(page.value.path, item.value.items)
       : false
   })