diff --git a/subcmds/upload.py b/subcmds/upload.py
index c195837..a08926c 100644
--- a/subcmds/upload.py
+++ b/subcmds/upload.py
@@ -215,6 +215,11 @@
       branches[project.name] = b
     script.append('')
 
+    script = [ x.encode('utf-8')
+             if issubclass(type(x), unicode)
+             else x
+             for x in script ]
+
     script = Editor.EditString("\n".join(script)).split("\n")
 
     project_re = re.compile(r'^#?\s*project\s*([^\s]+)/:$')