diff --git a/kiosk.nix b/kiosk.nix
index ea9ad55..5a75fd9 100644
--- a/kiosk.nix
+++ b/kiosk.nix
@@ -24,8 +24,10 @@ in
   };
 
   # Set firefox autoplay policy to always allow autoplay for dashboard
+  # and disable checking for default browser
   programs.firefox.policies = {
-    Permissions.Autoplay.Allow = [ dashboardUrl ];
+    Permissions.Autoplay.Default = "allow-audio-video";
+    Preferences."browser.shell.checkDefaultBrowser".Value = false;
     DontCheckDefaultBrowser = true;
   };