diff --git a/pkg/maps.txt b/pkg/maps.txt
index 87b1b502..1e4ca0b5 100644
--- a/pkg/maps.txt
+++ b/pkg/maps.txt
@@ -1,4 +1,4 @@
-Open Topo Map	https://a.tile.opentopomap.org/$z/$x/$y.png	16
+Open Topo Map	https://a.tile.opentopomap.org/$z/$x/$y.png	17
 4UMaps	http://4umaps.eu/$z/$x/$y.png	15
 Open Street Map	http://tile.openstreetmap.org/$z/$x/$y.png	19
 USGS Topo	https://navigator.er.usgs.gov/tiles/tcr.cgi/$z/$x/$y.png	15