OpenStreetMap only has 18 levels

diff --git a/champlain/champlain-map-source.c b/champlain/champlain-map-source.c
index d22894c9cfa9dd14b5a15ce521c0bb63f1129c4c..647b6571f481639c1f0bc1e7ebf3346ded48ad94 100644 (file)
--- a/champlain/champlain-map-source.c
+++ b/champlain/champlain-map-source.c
@@ -389,7 +389,7 @@ ChamplainMapSource *
 champlain_map_source_new_osm_mapnik ()
 {
   champlain_map_source_new_network ("OpenStreetMap Mapnik",
-      "(CC) by contributors", "", 0, 20, 256,
+      "(CC) by contributors", "", 0, 18, 256,
       CHAMPLAIN_MAP_PROJECTION_MERCATOR,
       "http://tile.openstreetmap.org/%d/%d/%d.png",
       CHAMPLAIN_MAP_SOURCE_PARAMETER_Z,