diff --git a/projects/aas-lib/src/lib/aas-tree/aas-tree-row.ts b/projects/aas-lib/src/lib/aas-tree/aas-tree-row.ts
index 0a17593..270ce87 100644
--- a/projects/aas-lib/src/lib/aas-tree/aas-tree-row.ts
+++ b/projects/aas-lib/src/lib/aas-tree/aas-tree-row.ts
@@ -66,9 +66,9 @@ export class AASTreeRow extends TreeNode<aas.Referable> {
         return this.firstChild >= 0;
     }
 
-    public get annotatedRelationship(): aas.AnnotatedRelationshipElement | undefined {
-        return this.element.modelType === 'AnnotatedRelationshipElement'
-            ? (this.element as aas.AnnotatedRelationshipElement)
+    public get relatioshipElement(): aas.RelationshipElement | undefined {
+        return this.element.modelType === 'RelationshipElement'
+            ? (this.element as aas.RelationshipElement)
             : undefined;
     }
 }