diff --git a/Tools/freeze/modulefinder.py b/Tools/freeze/modulefinder.py
index aef887f..96fc2f7 100644
--- a/Tools/freeze/modulefinder.py
+++ b/Tools/freeze/modulefinder.py
@@ -116,14 +116,14 @@
 
     def run_script(self, pathname):
         self.msg(2, "run_script", pathname)
-        fp = open(pathname)
+        fp = open(pathname, "U")
         stuff = ("", "r", imp.PY_SOURCE)
         self.load_module('__main__', fp, pathname, stuff)
 
     def load_file(self, pathname):
         dir, name = os.path.split(pathname)
         name, ext = os.path.splitext(name)
-        fp = open(pathname)
+        fp = open(pathname, "U")
         stuff = (ext, "r", imp.PY_SOURCE)
         self.load_module(name, fp, pathname, stuff)