diff -r 5f3ac68f34f2 Lib/zipfile.py
--- a/Lib/zipfile.py	Mon Dec 26 18:52:46 2016 +0900
+++ b/Lib/zipfile.py	Mon Dec 26 21:32:00 2016 +0900
@@ -1044,13 +1044,14 @@ class ZipFile:
     allowZip64: if True ZipFile will create files with ZIP64 extensions when
                 needed, otherwise it will raise an exception when this would
                 be necessary.
-
+    legacy_encoding: encoding used when reading entry without EFS flag.
     """
 
     fp = None                   # Set here since __del__ checks it
     _windows_illegal_name_trans_table = None
 
-    def __init__(self, file, mode="r", compression=ZIP_STORED, allowZip64=True):
+    def __init__(self, file, mode="r", compression=ZIP_STORED, allowZip64=True,
+                 legacy_encoding='latin1'):
         """Open the ZIP file with mode read 'r', write 'w', exclusive create 'x',
         or append 'a'."""
         if mode not in ('r', 'w', 'x', 'a'):
@@ -1067,6 +1068,7 @@ class ZipFile:
         self.mode = mode
         self.pwd = None
         self._comment = b''
+        self.legacy_encoding = legacy_encoding
 
         # Check if we were passed a file-like object
         if isinstance(file, str):
@@ -1201,8 +1203,7 @@ class ZipFile:
                 # UTF-8 file names extension
                 filename = filename.decode('utf-8')
             else:
-                # Historical ZIP filename encoding
-                filename = filename.decode('cp437')
+                filename = filename.decode(self.encoding)
             # Create ZipInfo instance to store file information
             x = ZipInfo(filename)
             x.extra = fp.read(centdir[_CD_EXTRA_FIELD_LENGTH])
@@ -1380,7 +1381,7 @@ class ZipFile:
                 # UTF-8 filename
                 fname_str = fname.decode("utf-8")
             else:
-                fname_str = fname.decode("cp437")
+                fname_str = fname.decode(self.encoding)
 
             if fname_str != zinfo.orig_filename:
                 raise BadZipFile(