diff --git a/docs/src/components/TheHeader.vue b/docs/src/components/TheHeader.vue
index 116a807e..b541ea7a 100644
--- a/docs/src/components/TheHeader.vue
+++ b/docs/src/components/TheHeader.vue
@@ -1,6 +1,6 @@
 <script setup lang="ts">
 const { showMenu = false } = defineProps<{
-  showMenu: boolean
+  showMenu?: boolean
 }>()
 
 const emit = defineEmits(['menu-click'])