--- a/build/upload.py
+++ b/build/upload.py
@@ -219,10 +219,12 @@ if __name__ == '__main__':
         sys.exit(1)
     try:
         UploadFiles(user, host, path, args, base_path=options.base_path,
                     port=port, ssh_key=key, upload_to_temp_dir=upload_to_temp_dir,
                     post_upload_command=post_upload_command,
                     verbose=True)
     except IOError, (strerror):
         print strerror
+        sys.exit(1)
     except Exception, (err):
         print err
+        sys.exit(2)