diff --git a/server/templates/history.html b/server/templates/history.html
index 065ae5e..25f57b8 100644
--- a/server/templates/history.html
+++ b/server/templates/history.html
@@ -56,7 +56,8 @@
+ data-tile-attrib="©
OpenStreetMap contributors"
+ data-min-zoom="3" data-max-zoom="19">