diff --git a/public/appupdate.js b/public/appupdate.js
index d2b0ec3..68e3564 100644
--- a/public/appupdate.js
+++ b/public/appupdate.js
@@ -179,6 +179,8 @@ const parseMacInstallerProgress = (output) => {
   let percent = null
   let message = 'Installing update...'
 
+  console.log('[app-update] installer output:', output)
+
   for (const line of lines) {
     if (line.startsWith('installer:PHASE:')) {
       message = line.slice('installer:PHASE:'.length).trim() || message
@@ -293,6 +295,7 @@ const launchMacInstaller = (app, installerPath, webContents) => {
       }
 
       const { percent, message } = parseMacInstallerProgress(output)
+
       sendProgress(webContents, {
         phase: 'installing',
         percent: percent ?? 100,