diff --git a/projects/common-map/src/fm-map/components/map/map.component.ts b/projects/common-map/src/fm-map/components/map/map.component.ts
index 316c1b6..63df621 100644
--- a/projects/common-map/src/fm-map/components/map/map.component.ts
+++ b/projects/common-map/src/fm-map/components/map/map.component.ts
@@ -137,7 +137,7 @@ export class MapComponent implements OnInit, OnDestroy,AfterViewInit {
         if (queryState.itemCode && queryState.itemCode != "") {         
           if(queryState.itemType && queryState.itemType!= "") {
             let itemType = this.itemTypeService.itemTypes[queryState.itemType];
-            if (itemType.viewer && itemType.viewer == "edit_in_editor" && itemType.editor) {
+            if (itemType && itemType.viewer && itemType.viewer == "edit_in_editor" && itemType.editor) {
               urlparts.push('/editor');
               urlparts.push(itemType.editor);
               urlparts.push('item');