diff --git a/wherehows-dao/src/main/java/wherehows/models/view/LineageView.java b/wherehows-dao/src/main/java/wherehows/models/view/LineageView.java
index 18c562031e..a65e239999 100644
--- a/wherehows-dao/src/main/java/wherehows/models/view/LineageView.java
+++ b/wherehows-dao/src/main/java/wherehows/models/view/LineageView.java
@@ -28,4 +28,6 @@ public class LineageView {
   private String type;
 
   private String actor;
+
+  private String modified;
 }
\ No newline at end of file
diff --git a/wherehows-web/app/typings/api/datasets/relationships.d.ts b/wherehows-web/app/typings/api/datasets/relationships.d.ts
index 0fbe88bcc3..603cb80bff 100644
--- a/wherehows-web/app/typings/api/datasets/relationships.d.ts
+++ b/wherehows-web/app/typings/api/datasets/relationships.d.ts
@@ -23,7 +23,7 @@ interface IDatasetLineage {
   dataset: IDatasetView;
   type: string;
   actor: string;
-  modified: string;
+  modified: string | undefined;
 }
 
 export { Relationships, RelationshipType, IDatasetLineage };