diff --git a/lib/auto-updater.js b/lib/auto-updater.js
index b127bd8e..3093cebb 100644
--- a/lib/auto-updater.js
+++ b/lib/auto-updater.js
@@ -15,7 +15,7 @@ module.exports = ({ log }) => {
   autoUpdater.on('update-available', () => log('update available, downloading…'))
   autoUpdater.on('update-not-available', () => log('update not available'))
   autoUpdater.on('download-progress', p => log('download progress ' + p.percent))
-  autoUpdater.on('update-downloaded', (ev, notes, version) => {
+  autoUpdater.once('update-downloaded', (ev, notes, version) => {
     log('update downloaded')
 
     dialog.showMessageBox({