diff --git a/subsys/bluetooth/controller/hci/hci.c b/subsys/bluetooth/controller/hci/hci.c
index 622aa519914..ff8696139b6 100644
--- a/subsys/bluetooth/controller/hci/hci.c
+++ b/subsys/bluetooth/controller/hci/hci.c
@@ -1169,7 +1169,8 @@ static void le_unknown_rsp(struct pdu_data *pdu_data, uint16_t handle,
 		break;
 
 	default:
-		BT_ASSERT(0);
+		BT_WARN("type: 0x%02x",
+			pdu_data->payload.llctrl.ctrldata.unknown_rsp.type);
 		break;
 	}
 }