@@ -87,7 +87,7 @@ def __init__(self, source=None, line=None, column=None, path=None,
         self.path = None if path is None else os.path.abspath(path)
 
         if source is None:
-            with open(path) as f:
+            with open(path, encoding=encoding) as f:
                 source = f.read()
 
         self.source = common.source_to_unicode(source, encoding)