diff --git a/src/.vuepress/theme/components/Navbar.vue b/src/.vuepress/theme/components/Navbar.vue
index e5d209b34c..98f7e84a53 100644
--- a/src/.vuepress/theme/components/Navbar.vue
+++ b/src/.vuepress/theme/components/Navbar.vue
@@ -26,7 +26,7 @@
       <SearchBox
         v-if="
           isAlgoliaSearch === false &&
-            !(
+            (
               $site.themeConfig.search !== false &&
               $page.frontmatter.search !== false
             )
@@ -68,7 +68,7 @@ export default {
     },
 
     isAlgoliaSearch() {
-      return this.algolia && this.algolia.apiKey && this.algolia.indexName
+      return !!(this.algolia && this.algolia.apiKey && this.algolia.indexName)
     }
   },