diff --git a/src/client/theme-default/components/VPSidebar.vue b/src/client/theme-default/components/VPSidebar.vue
index b3105f8c2314..594f78d1aee6 100644
--- a/src/client/theme-default/components/VPSidebar.vue
+++ b/src/client/theme-default/components/VPSidebar.vue
@@ -15,7 +15,7 @@ const navEl = ref<HTMLElement | null>(null)
 const isLocked = useBodyScrollLock()
 
 watch(
-  [props, navEl],
+  [() => props.open, navEl],
   () => {
     if (props.open) {
       isLocked.value = true