diff --git a/src/application-delegate.js b/src/application-delegate.js
index b52071986..cdcc03546 100644
--- a/src/application-delegate.js
+++ b/src/application-delegate.js
@@ -183,7 +183,7 @@ class ApplicationDelegate {
     } else {
       // Legacy sync version: options can only have `message`,
       // `detailedMessage` (optional), and buttons array or object (optional)
-      ({message, detailedMessage, buttons} = options)
+      let {message, detailedMessage, buttons} = options
 
       let buttonLabels
       if (!buttons) buttons = {}