diff --git a/script/upload-release b/script/upload-release
index bf42d7e66..36bc1e974 100755
--- a/script/upload-release
+++ b/script/upload-release
@@ -10,7 +10,8 @@ fs = require 'fs-plus'
 GitHub = require 'github-releases'
 request = require 'request'
 
-assetPath = '/tmp/atom-build/atom-mac.zip'
+assetName = 'atom-mac-zip'
+assetPath = "/tmp/atom-build/#{assetName}"
 commitSha = process.env.JANKY_SHA1
 token = process.env.ATOM_ACCESS_TOKEN
 defaultHeaders =
@@ -21,7 +22,7 @@ zipApp = (callback) ->
   fs.removeSync(assetPath)
 
   options = {cwd: path.dirname(assetPath), maxBuffer: Infinity}
-  child_process.exec "zip -r --symlinks #{path.basename(assetPath)} Atom.app", options, (error, stdout, stderr) ->
+  child_process.exec "zip -r --symlinks #{assetName} Atom.app", options, (error, stdout, stderr) ->
     if error?
       console.error('Zipping Atom.app failed', error, stderr)
       process.exit(1)
@@ -45,7 +46,7 @@ getRelease = (callback) ->
       callback()
 
 deleteExistingAsset = (release, callback) ->
-  for asset in release.assets when asset.name is path.basename(assetPath)
+  for asset in release.assets when asset.name is assetName
     options =
       uri: asset.url
       method: 'DELETE'
@@ -87,7 +88,7 @@ createRelease = (callback) ->
 
 uploadAsset = (release, callback) ->
   options =
-    uri: "https://uploads.github.com/repos/atom/atom-master-builds/releases/#{release.id}/assets?name=#{path.basename(assetPath)}"
+    uri: "https://uploads.github.com/repos/atom/atom-master-builds/releases/#{release.id}/assets?name=#{assetName}"
     method: 'POST'
     headers: _.extend({
       'Content-Type': 'application/zip'