diff --git a/src/MigrationTools.Clients.TfsObjectModel/Processors/TfsWorkItemMigrationProcessor.cs b/src/MigrationTools.Clients.TfsObjectModel/Processors/TfsWorkItemMigrationProcessor.cs
index 57fef8a9..5916618b 100644
--- a/src/MigrationTools.Clients.TfsObjectModel/Processors/TfsWorkItemMigrationProcessor.cs
+++ b/src/MigrationTools.Clients.TfsObjectModel/Processors/TfsWorkItemMigrationProcessor.cs
@@ -782,7 +782,7 @@ private WorkItemData ReplayRevisions(List<RevisionItem> revisionsToMigrate, Work
                         }
                     }
                     // Impersonate revision author. Mapping will apply later and may change this.
-                    targetWorkItem.ToWorkItem().Fields["System.ChangedDate"].Value = revision.Fields["System.ChangedDate"].Value;
+                    targetWorkItem.ToWorkItem().Fields["System.ChangedDate"].Value = revision.ChangedDate;
                     targetWorkItem.ToWorkItem().Fields["System.ChangedBy"].Value = revision.Fields["System.ChangedBy"].Value.ToString();
                     targetWorkItem.ToWorkItem().Fields["System.History"].Value = revision.Fields["System.History"].Value;