diff --git a/src/widget.ts b/src/widget.ts
index f481c88..56d83c0 100644
--- a/src/widget.ts
+++ b/src/widget.ts
@@ -84,7 +84,7 @@ export const widget: WidgetHelpers | null = (() => {
       if (!roomId) throw new Error("Room ID must be supplied");
       if (!userId) throw new Error("User ID must be supplied");
       if (!deviceId) throw new Error("Device ID must be supplied");
-      if (!baseUrl) throw new Error("Base URL must be supplied")
+      if (!baseUrl) throw new Error("Base URL must be supplied");
 
       // These are all the event types the app uses
       const sendState = [