diff --git a/framework/core/js/src/admin/components/BasicsPage.js b/framework/core/js/src/admin/components/BasicsPage.js
index c2b6175af..7b452117d 100644
--- a/framework/core/js/src/admin/components/BasicsPage.js
+++ b/framework/core/js/src/admin/components/BasicsPage.js
@@ -61,7 +61,7 @@ export default class BasicsPage extends Page {
       }
     });
 
-    if (typeof this.values.show_language_selector() !== 'number') this.values.show_language_selector(1);
+    if (this.values.show_language_selector() === undefined) this.values.show_language_selector(1);
   }
 
   view() {