diff --git a/sys/dev/cxgb/cxgb_multiq.c b/sys/dev/cxgb/cxgb_multiq.c
index c55c11118a2..9882ca80bb7 100644
--- a/sys/dev/cxgb/cxgb_multiq.c
+++ b/sys/dev/cxgb/cxgb_multiq.c
@@ -296,7 +296,7 @@ cxgb_pcpu_start_(struct sge_qset *qs, struct mbuf *immpkt, int tx_flush)
 	}
 
 	stopped = isset(&qs->txq_stopped, TXQ_ETH);
-	flush = ((drbr_empty(pi->ifp, txq->txq_mr)
+	flush = ((!drbr_empty(pi->ifp, txq->txq_mr)
 		 && !stopped) || txq->immpkt); 
 	max_desc = tx_flush ? TX_ETH_Q_SIZE : TX_START_MAX_DESC;