diff --git a/umap/static/umap/js/modules/sync/updaters.js b/umap/static/umap/js/modules/sync/updaters.js
index 37be4c32..9472a464 100644
--- a/umap/static/umap/js/modules/sync/updaters.js
+++ b/umap/static/umap/js/modules/sync/updaters.js
@@ -53,7 +53,8 @@ export class DatalayerUpdater extends BaseUpdater {
         const datalayer = this.getLayerFromID(metadata.id)
         console.log(datalayer, key, value)
         this.updateObjectValue(datalayer, key, value)
-        datalayer.renderProperties([key])
+        const property = key.replace("options.", "")
+        datalayer.renderProperties([property])
     }
 }
 
diff --git a/umap/static/umap/js/umap.data.js b/umap/static/umap/js/umap.data.js
index 3b75a75b..f86c840c 100644
--- a/umap/static/umap/js/umap.data.js
+++ b/umap/static/umap/js/umap.data.js
@@ -14,7 +14,7 @@ L.U.DataRendererMixin = {
    * 
    * @param list properties : properties that have been updated.
    */
-  renderProperties: function (properties, builder) {
+  renderProperties: function (properties) {
     let renderers = new Set()
     for (const prop of properties) {
       const propRenderers = this.propertiesRenderers[prop]
@@ -36,7 +36,9 @@ L.U.DataRendererMixin = {
     }
 
     for (const renderer of renderers) {
-      this[renderer](properties, builder)
+      if (renderer in this) {
+        this[renderer](properties)
+      }
     }
 
   },
diff --git a/umap/static/umap/js/umap.layer.js b/umap/static/umap/js/umap.layer.js
index 2d404e37..324b230b 100644
--- a/umap/static/umap/js/umap.layer.js
+++ b/umap/static/umap/js/umap.layer.js
@@ -257,13 +257,13 @@ L.U.Layer.Choropleth = L.FeatureGroup.extend({
     // If user touches the breaks, then force manual mode
     if (field === 'options.choropleth.breaks') {
       this.datalayer.options.choropleth.mode = 'manual'
-      builder.helpers['options.choropleth.mode'].fetch()
+      if (builder) builder.helpers['options.choropleth.mode'].fetch()
     }
     this.computeBreaks()
     // If user changes the mode or the number of classes,
     // then update the breaks input value
     if (field === 'options.choropleth.mode' || field === 'options.choropleth.classes') {
-      builder.helpers['options.choropleth.breaks'].fetch()
+      if (builder) builder.helpers['options.choropleth.breaks'].fetch()
     }
   },