diff --git a/lib/src/ctrl.c b/lib/src/ctrl.c
index f1d264f..7621ab5 100644
--- a/lib/src/ctrl.c
+++ b/lib/src/ctrl.c
@@ -219,6 +219,7 @@ static void ctrl_message_received(ChiakiCtrl *ctrl, uint16_t msg_type, uint8_t *
 			break;
 		default:
 			CHIAKI_LOGW(ctrl->session->log, "Received Ctrl Message with unknown type %#x", msg_type);
+			chiaki_log_hexdump(ctrl->session->log, CHIAKI_LOG_VERBOSE, payload, payload_size);
 			break;
 	}
 }