diff --git a/tilecloud_chain/templates/openlayers.html b/tilecloud_chain/templates/openlayers.html
index eec30c5a9..9cdd8985e 100644
--- a/tilecloud_chain/templates/openlayers.html
+++ b/tilecloud_chain/templates/openlayers.html
@@ -106,6 +106,8 @@
             resolutions =  options.tileGrid.getResolutions()
             layers.unshift(
               new ol.layer.Tile({
+                // To have radio buttons
+                type: 'base',
                 opacity: 1,
                 visible: visible,
                 source: new ol.source.WMTS(options),
diff --git a/tilecloud_chain/tests/test.expected.png b/tilecloud_chain/tests/test.expected.png
index 2ceab49a7..d3ff378a4 100644
Binary files a/tilecloud_chain/tests/test.expected.png and b/tilecloud_chain/tests/test.expected.png differ