diff --git a/projects/common-map/src/fm-map/components/aol/item-vector-source/item-vector-source.component.ts b/projects/common-map/src/fm-map/components/aol/item-vector-source/item-vector-source.component.ts
index 69e725d..30a537f 100644
--- a/projects/common-map/src/fm-map/components/aol/item-vector-source/item-vector-source.component.ts
+++ b/projects/common-map/src/fm-map/components/aol/item-vector-source/item-vector-source.component.ts
@@ -112,17 +112,18 @@ export class ItemVectorSourceComponent extends SourceVectorComponent implements
     this.host.instance.setSource(this.instance);
       
     this.host.instance.setStyle((feature) => {     
-      var key = feature.get('itemType') + (this.selectedItem?"_I":"");
+      var itemType = feature.get('itemType');
+      var key = itemType + (this.selectedItem?"_I":"");
       if (!this.stylesCache[key]) {
-        if (this.itemTypeService.itemTypes[key]) {
-          let itemType = this.itemTypeService.itemTypes[key];
+        if (this.itemTypeService.itemTypes[itemType]) {
+          let itemTypeEntry = this.itemTypeService.itemTypes[itemType];
           let fillColor = color.asArray(itemType.iconColor);
           fillColor[3] = 0;
           this.stylesCache[key] = new style.Style({
-              image: itemType.icon ? new style.Icon({
+              image: itemTypeEntry.icon ? new style.Icon({
                   anchor: [0.5, 1],
                   scale: 0.05,
-                  src: this.featureIconService$.getIconImageDataUrl(itemType.icon)
+                  src: this.featureIconService$.getIconImageDataUrl(itemTypeEntry.icon)
                 }):null,
               stroke: new style.Stroke({
                 color: 'red',