diff --git a/projects/editor/src/app/services/unit.service.ts b/projects/editor/src/app/services/unit.service.ts
index e3e39e30bab313d4c935a54df7a451ab075a9e3b..dbb6b6b1c0fb6879ef7592807c8c25842143ceb2 100644
--- a/projects/editor/src/app/services/unit.service.ts
+++ b/projects/editor/src/app/services/unit.service.ts
@@ -184,7 +184,7 @@ export class UnitService {
   private static freeUpIds(elements: UIElement[]): void {
     elements.forEach(element => {
       if (element.type === 'drop-list') {
-        element.value.foreach((value: DragNDropValueObject) => {
+        element.value.forEach((value: DragNDropValueObject) => {
           IdService.getInstance().removeId(value.id);
         });
       }