diff --git a/codex-rs/codex-api/src/endpoint/realtime_websocket/methods.rs b/codex-rs/codex-api/src/endpoint/realtime_websocket/methods.rs
index c78bac432..10c72d72b 100644
--- a/codex-rs/codex-api/src/endpoint/realtime_websocket/methods.rs
+++ b/codex-rs/codex-api/src/endpoint/realtime_websocket/methods.rs
@@ -408,7 +408,9 @@ impl RealtimeWebsocketEvents {
                 append_transcript_delta(&mut active_transcript.entries, "assistant", delta);
             }
             RealtimeEvent::HandoffRequested(handoff) => {
-                handoff.active_transcript = std::mem::take(&mut active_transcript.entries);
+                if self.event_parser == RealtimeEventParser::V1 {
+                    handoff.active_transcript = std::mem::take(&mut active_transcript.entries);
+                }
             }
             RealtimeEvent::SessionUpdated { .. }
             | RealtimeEvent::AudioOut(_)