diff --git a/lizmap/plugin.py b/lizmap/plugin.py
index 4536ffe3..d7c926f5 100755
--- a/lizmap/plugin.py
+++ b/lizmap/plugin.py
@@ -2662,7 +2662,7 @@ def add_group_overview(self):
 
     def add_osm_mapnik(self):
         """ Add the OSM mapnik base layer. """
-        source = 'type=xyz&url=https://tile.openstreetmap.org/{z}/{x}/{y}.png&zmax=19&zmin=0'
+        source = 'type=xyz&url=https://tile.openstreetmap.org/{z}/{x}/{y}.png'
         self._add_base_layer(
             source,
             'OpenStreetMap',
@@ -2671,7 +2671,7 @@ def add_osm_mapnik(self):
 
     def add_osm_opentopomap(self):
         """ Add the OSM OpenTopoMap base layer. """
-        source = 'type=xyz&zmin=0&zmax=18&url=https://tile.opentopomap.org/{z}/{x}/{y}.png'
+        source = 'type=xyz&url=https://tile.opentopomap.org/{z}/{x}/{y}.png'
         self._add_base_layer(
             source,
             'OpenTopoMap',
diff --git a/lizmap/test/test_ui.py b/lizmap/test/test_ui.py
index f2b88037..2d6af7da 100755
--- a/lizmap/test/test_ui.py
+++ b/lizmap/test/test_ui.py
@@ -109,8 +109,7 @@ def _setup_empty_project(self, lwc_version=LwcVersions.latest()):
         hidden = lizmap._add_group_legend('hidden', project=project)
 
         # For testing, we add OSM as hidden layer
-        hidden_raster = QgsRasterLayer(
-            "type=xyz&url=https://tile.openstreetmap.org/{z}/{x}/{y}.png&zmax=19&zmin=0", "OSM", 'wms')
+        hidden_raster = QgsRasterLayer("type=xyz&url=https://tile.openstreetmap.org/{z}/{x}/{y}.png", "OSM", 'wms')
         project.addMapLayer(hidden_raster, False)
         hidden.addLayer(hidden_raster)