diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c
index fee97bf607..1e5ec149fa 100644
--- a/hw/net/rtl8139.c
+++ b/hw/net/rtl8139.c
@@ -2046,7 +2046,7 @@ static int rtl8139_cplus_transmit_one(RTL8139State *s)
     }
 
     /* transfer ownership to target */
-    txdw0 &= ~CP_RX_OWN;
+    txdw0 &= ~CP_TX_OWN;
 
     /* reset error indicator bits */
     txdw0 &= ~CP_TX_STATUS_UNF;