diff --git a/src/utils/open-compose.js b/src/utils/open-compose.js
index 68ed28c2..da677112 100644
--- a/src/utils/open-compose.js
+++ b/src/utils/open-compose.js
@@ -5,7 +5,7 @@ export default function openCompose(opts) {
   const top = Math.max(0, (screenHeight - 450) / 2);
   const width = Math.min(screenWidth, 600);
   const height = Math.min(screenHeight, 450);
-  const winUID = opts.uid || Math.random();
+  const winUID = opts?.uid || Math.random();
   const newWin = window.open(
     url,
     'compose' + winUID,