diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c
index f825857db6d0..26db929b97c4 100644
--- a/net/bluetooth/iso.c
+++ b/net/bluetooth/iso.c
@@ -879,6 +879,7 @@ static int iso_listen_bis(struct sock *sk)
 				 iso_pi(sk)->bc_sid);
 
 	hci_dev_unlock(hdev);
+	hci_dev_put(hdev);
 
 	return err;
 }