diff --git a/docker/default.conf.template b/docker/default.conf.template
index 8f29eb3d034..02fd4fbff8b 100644
--- a/docker/default.conf.template
+++ b/docker/default.conf.template
@@ -3,6 +3,8 @@
     text/plain yml;
   }
 
+  charset utf-8;
+
   gzip on;
   gzip_static on;
   gzip_disable "msie6";