diff --git a/anki/mpv.py b/anki/mpv.py
index c81dda122..e18f32c8c 100644
--- a/anki/mpv.py
+++ b/anki/mpv.py
@@ -1,3 +1,4 @@
+# coding: utf-8
 # ------------------------------------------------------------------------------
 #
 # mpv.py - Control mpv from Python using JSON IPC