diff --git a/client/src/jagex2/client/GameShell.ts b/client/src/jagex2/client/GameShell.ts
index 92071986..d0ef0463 100644
--- a/client/src/jagex2/client/GameShell.ts
+++ b/client/src/jagex2/client/GameShell.ts
@@ -4,7 +4,7 @@ import Draw3D from '../graphics/Draw3D.js';
 import { sleep } from '../util/JsUtil.js';
 
 export default class GameShell {
-    static getParameter(name: string): string | null {
+    static getParameter(name: string): string {
         const urlParams = new URLSearchParams(window.location.search);
         return urlParams.get(name) ?? '';
     }