diff --git a/components/app/AppHeader.vue b/components/app/AppHeader.vue
index 057c3360a..d053d468a 100644
--- a/components/app/AppHeader.vue
+++ b/components/app/AppHeader.vue
@@ -8,7 +8,7 @@ const hasDialog = computed(() => navigation.value?.length > 1)
 
 <template>
   <header :class="{ 'has-dialog': hasDialog, 'has-doc-search': hasDocSearch }">
-    <Container :fluid="docus.layout.fluid">
+    <Container :fluid="docus?.layout?.fluid || false">
       <div class="section left">
         <AppHeaderDialog v-if="hasDialog" />
         <AppHeaderLogo />
@@ -105,4 +105,4 @@ css({
     }
   }
 })
-</style>
\ No newline at end of file
+</style>