diff --git a/src/browser/squirrel-update.coffee b/src/browser/squirrel-update.coffee
index 468863221..669db9c11 100644
--- a/src/browser/squirrel-update.coffee
+++ b/src/browser/squirrel-update.coffee
@@ -71,7 +71,6 @@ updatePath = (callback) ->
       @echo off
       "%~dp0\\#{relativeExePath}" %*
     """
-    fs.writeFile(atomCommandPath, atomCommand, callback)
 
     apmCommandPath = path.join(binFolder, 'apm.cmd')
     relativeApmPath = path.relative(binFolder, path.join(process.resourcesPath, 'app', 'apm', 'node_modules', 'atom-package-manager', 'bin', 'apm.cmd'))
@@ -79,7 +78,10 @@ updatePath = (callback) ->
       @echo off
       "%~dp0\\#{relativeApmPath}" %*
     """
-    fs.writeFile(apmCommandPath, apmCommand, callback)
+
+    fs.writeFile atomCommandPath, atomCommand, ->
+      fs.writeFile apmCommandPath, apmCommand, ->
+        callback()
 
   getPath = (callback) ->
     spawnReg ['query', environmentKeyPath, '/v', 'Path'], (error, stdout) ->