diff --git a/generate_mac/__init__.py b/generate_mac/__init__.py
index 5b23d6e..3fe9e51 100644
--- a/generate_mac/__init__.py
+++ b/generate_mac/__init__.py
@@ -28,7 +28,7 @@ def _read_vid_file(vid_file):
         ''' Every line is [MAC,Vendor,Comment]'''
         out_lines = []
         try:
-            in_file    = open(vid_file,"r")
+            in_file    = open(vid_file,"r",encoding="utf8")
             file_lines = in_file.readlines()
             in_file.close()
         except FileNotFoundError: