diff --git a/src/vs/workbench/contrib/chat/browser/chatEditing/chatEditingCheckpointTimelineImpl.ts b/src/vs/workbench/contrib/chat/browser/chatEditing/chatEditingCheckpointTimelineImpl.ts
index a904ab1304d55..2adad25299eb3 100644
--- a/src/vs/workbench/contrib/chat/browser/chatEditing/chatEditingCheckpointTimelineImpl.ts
+++ b/src/vs/workbench/contrib/chat/browser/chatEditing/chatEditingCheckpointTimelineImpl.ts
@@ -203,7 +203,7 @@ export class ChatEditingCheckpointTimelineImpl implements IChatEditingCheckpoint
 			throw new Error(`Checkpoint ${checkpointId} not found`);
 		}
 
-		return this._navigateToEpoch(targetCheckpoint.epoch + 1);
+		return this._navigateToEpoch(targetCheckpoint.epoch);
 	}
 
 	public getContentURIAtStop(requestId: string, fileURI: URI, stopId: string | undefined): URI {