diff --git a/youtube_dl/extractor/facebook.py b/youtube_dl/extractor/facebook.py
index 78a4ad666..70b8c95c5 100644
--- a/youtube_dl/extractor/facebook.py
+++ b/youtube_dl/extractor/facebook.py
@@ -1,3 +1,4 @@
+# coding: utf-8
 from __future__ import unicode_literals
 
 import re