diff --git a/app/apps/client/RealAppsEngineUIHost.js b/app/apps/client/RealAppsEngineUIHost.js
index e21a458baff19..29802587f9b7b 100644
--- a/app/apps/client/RealAppsEngineUIHost.js
+++ b/app/apps/client/RealAppsEngineUIHost.js
@@ -11,7 +11,7 @@ export class RealAppsEngineUIHost extends AppsEngineUIHost {
 	constructor() {
 		super();
 
-		this._baseURL = baseURI;
+		this._baseURL = baseURI.replace(/\/$/, '');
 	}
 
 	getUserAvatarUrl(username) {