diff --git a/ui-ngx/src/app/modules/home/components/widget/lib/maps/leaflet-map.ts b/ui-ngx/src/app/modules/home/components/widget/lib/maps/leaflet-map.ts
index 7afbb8216f..56e247e3dd 100644
--- a/ui-ngx/src/app/modules/home/components/widget/lib/maps/leaflet-map.ts
+++ b/ui-ngx/src/app/modules/home/components/widget/lib/maps/leaflet-map.ts
@@ -923,7 +923,6 @@ export default abstract class LeafletMap {
         if (settings.showTooltip) {
             marker.updateMarkerTooltip(data);
         }
-        marker.updateMarkerData(data);
         marker.updateMarkerIcon(settings);
         return marker;
     }
diff --git a/ui-ngx/src/app/modules/home/components/widget/lib/maps/markers.ts b/ui-ngx/src/app/modules/home/components/widget/lib/maps/markers.ts
index d1c3b46ce0..007f82b869 100644
--- a/ui-ngx/src/app/modules/home/components/widget/lib/maps/markers.ts
+++ b/ui-ngx/src/app/modules/home/components/widget/lib/maps/markers.ts
@@ -90,8 +90,9 @@ export class Marker {
     }
 
     setDataSources(data: FormattedData, dataSources: FormattedData[]) {
-        this.data = data;
-        this.dataSources = dataSources;
+      this.data = data;
+      this.dataSources = dataSources;
+      this.leafletMarker.options.tbMarkerData = data;
     }
 
     updateMarkerTooltip(data: FormattedData) {
@@ -107,10 +108,6 @@ export class Marker {
       }
     }
 
-    updateMarkerData(data: FormattedData) {
-      this.leafletMarker.options.tbMarkerData = data;
-    }
-
     updateMarkerPosition(position: L.LatLng) {
       if (!this.leafletMarker.getLatLng().equals(position) && !this.editing) {
         this.location = position;
diff --git a/ui-ngx/src/assets/help/en_US/widget/lib/map/clustering_color_fn.md b/ui-ngx/src/assets/help/en_US/widget/lib/map/clustering_color_fn.md
index 8ca4fd9af8..d34ca44a88 100644
--- a/ui-ngx/src/assets/help/en_US/widget/lib/map/clustering_color_fn.md
+++ b/ui-ngx/src/assets/help/en_US/widget/lib/map/clustering_color_fn.md
@@ -10,7 +10,7 @@ A JavaScript function used to compute clustering marker color.
 **Parameters:**
 
 <ul>
-  <li><b>data:</b> <code><a href="https://github.com/thingsboard/thingsboard/blob/5bb6403407aa4898084832d6698aa9ea6d484889/ui-ngx/src/app/modules/home/components/widget/lib/maps/map-models.ts#L108" target="_blank">FormattedData</a></code> - A <a href="https://github.com/thingsboard/thingsboard/blob/5bb6403407aa4898084832d6698aa9ea6d484889/ui-ngx/src/app/modules/home/components/widget/lib/maps/map-models.ts#L108" target="_blank">FormattedData</a> object associated with marker or data point of the route.<br/>
+  <li><b>data:</b> Array<<code><a href="https://github.com/thingsboard/thingsboard/blob/5bb6403407aa4898084832d6698aa9ea6d484889/ui-ngx/src/app/modules/home/components/widget/lib/maps/map-models.ts#L108" target="_blank">FormattedData</a></code>> - A <a href="https://github.com/thingsboard/thingsboard/blob/5bb6403407aa4898084832d6698aa9ea6d484889/ui-ngx/src/app/modules/home/components/widget/lib/maps/map-models.ts#L108" target="_blank">FormattedData</a> object associated with marker or data point of the route.<br/>
      Represents basic entity properties (ex. <code>entityId</code>, <code>entityName</code>)<br/>and provides access to other entity attributes/timeseries declared in widget datasource configuration.
   </li>
   <li><b>childCount:</b> <code>number</code> - number of markers in this cluster