diff --git a/src/server_manager/web_app/ui_components/app-root.ts b/src/server_manager/web_app/ui_components/app-root.ts
index ea865ce1..2f49cb02 100644
--- a/src/server_manager/web_app/ui_components/app-root.ts
+++ b/src/server_manager/web_app/ui_components/app-root.ts
@@ -654,7 +654,7 @@ export class AppRoot extends polymerElementWithLocalize {
     });
 
     const messagesUrl = `./messages/${language}.json`;
-    this.loadResources(messagesUrl, language, false);
+    this.loadResources(messagesUrl, language, /* merge= */ false);
     return localizeResourcesResponder;
   }