diff --git a/examples/layer/map.wmscapabilities.html b/examples/layer/map.wmscapabilities.html
index 68fc4195..ac3c9e63 100644
--- a/examples/layer/map.wmscapabilities.html
+++ b/examples/layer/map.wmscapabilities.html
@@ -109,7 +109,7 @@ <h1>ol-ext: WMS Capabilities control</h1>
     target: document.body,
     srs: ['EPSG:2154'],
     cors: true,
-    optional: 'token',
+    optional: 'token,apikey',
     services: {
       'BRGM': 'https://geoservices.brgm.fr/geologie',
       'OSM': 'https://wms.openstreetmap.fr/wms',
diff --git a/examples/routing/map.control.isochrone.html b/examples/routing/map.control.isochrone.html
index a90aee1f..6301ccc9 100644
--- a/examples/routing/map.control.isochrone.html
+++ b/examples/routing/map.control.isochrone.html
@@ -115,8 +115,8 @@ <h1>ol-ext: Geoportail isochrone</h1>
 
   search.on('isochrone', function(iso) {
     if (!batch.length && iso.iteration === 0) vector.getSource().clear();
+    // Simplify using closing operation with jsts
     if (Number($('.simplify').val())) {
-      // Simplify using closing operation with jsts
       var simpli = Number($('.simplify').val());
       var parser = new jsts.io.OL3Parser();
       var geom = iso.feature.getGeometry();
@@ -126,6 +126,7 @@ <h1>ol-ext: Geoportail isochrone</h1>
       buffered = jsts.simplify.DouglasPeuckerSimplifier.simplify(buffered, Math.min(10, simpli/10))
       iso.feature.setGeometry(parser.write(buffered));
     }
+    console.log(currentFeature)
     vector.getSource().addFeature(iso.feature);
     setTimeout(function() {
       map.getView().fit(vector.getSource().getExtent(), { duration:1000 });
@@ -147,10 +148,12 @@ <h1>ol-ext: Geoportail isochrone</h1>
   /* BATCH mode: load a geojson file */
   var batch = [];
   var current_iteration = 0;
+  var currentFeature = null;
   var dialog = new ol.control.Dialog();
   map.addControl(dialog);
 
   function dosearch() {
+    currentFeature = null;
     if (!batch.length) {
       dialog.hide();
       return;
@@ -166,6 +169,7 @@ <h1>ol-ext: Geoportail isochrone</h1>
     var pt = batch[0].getGeometry().getFirstCoordinate();
     var val = search.get('method')==='distance' ? search.get('distance')*1000 : (search.get('hour')||0)*60*60+(search.get('minute')||0)*60;
     if (val) {
+      currentFeature = batch[0];
       search.search(pt, val, current_iteration-1)
     } else {
       batch = [];
@@ -182,6 +186,12 @@ <h1>ol-ext: Geoportail isochrone</h1>
     current_iteration = search.get('iter')+1;
     dosearch();
   });
+
+  // Restart after error
+  function reRun() {
+    current_iteration++;
+    dosearch();
+  }
 </script>
   
 </body>
diff --git a/src/control/WMSCapabilities.js b/src/control/WMSCapabilities.js
index be83177a..940b5d2a 100644
--- a/src/control/WMSCapabilities.js
+++ b/src/control/WMSCapabilities.js
@@ -471,6 +471,7 @@ var ol_control_WMSCapabilities = class olcontrolWMSCapabilities extends ol_contr
         }
       }.bind(this))
     }
+    this._optional = optional;
 
     // Get request params
     var request = this.getRequestParam(options)
@@ -727,6 +728,8 @@ var ol_control_WMSCapabilities = class olcontrolWMSCapabilities extends ol_contr
       }
     }
 
+    Object.keys(this._optional).forEach(o => source_opt.params[o] = this._optional[o])
+
     // Resolution to zoom
     var view = new ol_View({
       projection: this.getMap().getView().getProjection()
@@ -834,8 +837,11 @@ var ol_control_WMSCapabilities = class olcontrolWMSCapabilities extends ol_contr
         title: this._elements.formTitle.value
       }
     }
-    if (this._elements.formMap.value)
+
+    Object.keys(this._optional).forEach(o => options.source.params[o] = this._optional[o])
+    if (this._elements.formMap.value) {
       options.source.params.MAP = this._elements.formMap.value
+    }
     return options
   }
   /** Fill dialog form
diff --git a/src/control/WMTSCapabilities.js b/src/control/WMTSCapabilities.js
index f10c5b2b..d70ba232 100644
--- a/src/control/WMTSCapabilities.js
+++ b/src/control/WMTSCapabilities.js
@@ -110,6 +110,8 @@ var ol_control_WMTSCapabilities = class olcontrolWMTSCapabilities extends ol_con
    * @returns {boolean}
    */
   isSupportedSet(tm) {
+    console.log(tm)
+    if (/^PM_.*/.test(tm.TileMatrixSet)) return true;
     return this.supportedSets.indexOf(tm.TileMatrixSet) >= 0;
   }
   /** Return a WMTS options for the given capabilities