diff --git a/doc/PLUGINS.md b/doc/PLUGINS.md
index ac115d8c2..d2e39110e 100644
--- a/doc/PLUGINS.md
+++ b/doc/PLUGINS.md
@@ -339,6 +339,20 @@ into a block.
 }
 ```
 
+### `channel_open_failed`
+
+A notification to indicate that a channel open attempt has been unsuccessful.
+Useful for cleaning up state for a v2 channel open attempt. See
+`tests/plugins/df_accepter.py` for an example of how to use this.
+
+```json
+{
+  "channel_open_failed": {
+    "channel_id": "a2d0851832f0e30a0cf...",
+  }
+}
+```
+
 ### `channel_state_changed`
 
 A notification for topic `channel_state_changed` is sent every time a channel
diff --git a/lightningd/dual_open_control.c b/lightningd/dual_open_control.c
index 8ece469cb..cd1982d8a 100644
--- a/lightningd/dual_open_control.c
+++ b/lightningd/dual_open_control.c
@@ -2450,6 +2450,7 @@ static void handle_commit_received(struct subd *dualopend,
 				       "Bad WIRE_DUALOPEND_COMMIT_RCVD: %s",
 				       tal_hex(msg, msg));
 		channel->open_attempt = tal_free(channel->open_attempt);
+		notify_channel_open_failed(channel->peer->ld, &channel->cid);
 		return;
 	}