diff --git a/pyquarantine/__init__.py b/pyquarantine/__init__.py
index 167e770..fc76e63 100644
--- a/pyquarantine/__init__.py
+++ b/pyquarantine/__init__.py
@@ -17,6 +17,7 @@ import configparser
 import logging
 import os
 import re
+import encodings
 
 from Milter.utils import parse_addr
 from collections import defaultdict
@@ -46,6 +47,17 @@ __all__ = [
 __version__ = "1.0.7"
 
 
+################################################
+#  add charset alias for windows-874 encoding  #
+################################################
+
+for alias in ["windows-874", "windows_874"]:
+    if alias not in encodings.aliases.aliases:
+        encodings.aliases.aliases[alias] = "cp874"
+
+################################################
+
+
 def make_header(decoded_seq, maxlinelen=None, header_name=None,
                 continuation_ws=' ', errors='strict'):
     """Create a Header from a sequence of pairs as returned by decode_header()