diff --git a/debian/log.yaml b/debian/log.yaml
index b44a8901f6..206b65f1ac 100644
--- a/debian/log.yaml
+++ b/debian/log.yaml
@@ -18,6 +18,7 @@ handlers:
     maxBytes: 104857600
     backupCount: 10
     filters: [context]
+    encoding: utf8
   console:
     class: logging.StreamHandler
     formatter: precise