diff --git a/copyparty/web/browser.js b/copyparty/web/browser.js
index 7627c30a..01706fc1 100644
--- a/copyparty/web/browser.js
+++ b/copyparty/web/browser.js
@@ -427,7 +427,7 @@ var mpl = (function () {
 	};
 
 	function announce() {
-		if (!r.os_ctl)
+		if (!r.os_ctl || !mp.au)
 			return;
 
 		var np = get_np()[0],