diff --git a/pkg/maps.txt b/pkg/maps.txt
index 828fe080..97808213 100644
--- a/pkg/maps.txt
+++ b/pkg/maps.txt
@@ -1,2 +1,3 @@
+Open Topo Map	https://a.tile.opentopomap.org/$z/$x/$y.png
 Thunderforest	http://tile.thunderforest.com/outdoors/$z/$x/$y.png
 Open Street Map	http://tile.openstreetmap.org/$z/$x/$y.png