diff --git a/js/portalHelper/main.js b/js/portalHelper/main.js
index 367659de3..c7d0433a9 100644
--- a/js/portalHelper/main.js
+++ b/js/portalHelper/main.js
@@ -81,6 +81,7 @@ const PortalWindow = new Lang.Class({
 
         this.add(this._webView);
         this._webView.show();
+        this.set_size_request(600, 450);
         this.maximize();
         this.present_with_time(timestamp);