diff --git a/projects/common-map/src/fm-map/components/aol/item-layers/item-layers.component.ts b/projects/common-map/src/fm-map/components/aol/item-layers/item-layers.component.ts
index 8543948..4c006eb 100644
--- a/projects/common-map/src/fm-map/components/aol/item-layers/item-layers.component.ts
+++ b/projects/common-map/src/fm-map/components/aol/item-layers/item-layers.component.ts
@@ -11,7 +11,7 @@ import * as proj from 'ol/proj';
 import * as loadingstrategy from 'ol/loadingstrategy';
 import * as style from 'ol/style';
 import {Tile,Layer,Image} from 'ol/layer';
-import {XYZ,ImageStatic,OSM,BingMaps,TileWMS,TileArcGISRest} from 'ol/source';
+import {XYZ,ImageStatic,OSM,BingMaps,TileWMS,TileArcGISRest,TileJSON} from 'ol/source';
 import {Vector as VectorSource} from 'ol/source';
 import { Vector as VectorLayer } from 'ol/layer';
 import VectorTileSource from 'ol/source/VectorTile';
@@ -212,6 +212,11 @@ export class ItemLayersComponent extends LayerGroupComponent implements OnChange
         layer = new Tile({ source: source });
         break;
       }
+      case 'TileJSON': {
+        let source = new TileJSON(data.options);
+        layer = new Tile({ source: source });
+        break;
+      }
       case 'TileArcGISRest': {
         let source = new TileArcGISRest(data.options);
         layer = new Tile({ source: source });