diff --git a/js/conversation_controller.js b/js/conversation_controller.js
index e1dcbd728..62b6d6650 100644
--- a/js/conversation_controller.js
+++ b/js/conversation_controller.js
@@ -281,6 +281,7 @@
           throw error;
         }
       };
+      await window.BlockedNumberController.load();
 
       this._initialPromise = load();