diff --git a/src/drivers/net/realtek.c b/src/drivers/net/realtek.c
index 2dded0a5..77df64e6 100644
--- a/src/drivers/net/realtek.c
+++ b/src/drivers/net/realtek.c
@@ -500,6 +500,7 @@ static void realtek_refill_rx ( struct realtek_nic *rtl ) {
  */
 static int realtek_open ( struct net_device *netdev ) {
 	struct realtek_nic *rtl = netdev->priv;
+	uint32_t tcr;
 	uint32_t rcr;
 	int rc;
 
@@ -524,6 +525,12 @@ static int realtek_open ( struct net_device *netdev ) {
 	 */
 	writeb ( ( RTL_CR_TE | RTL_CR_RE ), rtl->regs + RTL_CR );
 
+	/* Configure transmitter */
+	tcr = readl ( rtl->regs + RTL_TCR );
+	tcr &= ~RTL_TCR_MXDMA_MASK;
+	tcr |= RTL_TCR_MXDMA_DEFAULT;
+	writel ( tcr, rtl->regs + RTL_TCR );
+
 	/* Configure receiver */
 	rcr = readl ( rtl->regs + RTL_RCR );
 	rcr &= ~( RTL_RCR_RXFTH_MASK | RTL_RCR_RBLEN_MASK |
diff --git a/src/drivers/net/realtek.h b/src/drivers/net/realtek.h
index 24ec09e7..2591e725 100644
--- a/src/drivers/net/realtek.h
+++ b/src/drivers/net/realtek.h
@@ -132,6 +132,12 @@ enum realtek_legacy_status {
 /** Interrupt Status Register (word) */
 #define RTL_ISR 0x3e
 
+/** Transmit (Tx) Configuration Register (dword) */
+#define RTL_TCR 0x40
+#define RTL_TCR_MXDMA(x)	( (x) << 8 ) /**< Max DMA burst size */
+#define RTL_TCR_MXDMA_MASK	RTL_TCR_MXDMA ( 0x7 )
+#define RTL_TCR_MXDMA_DEFAULT	RTL_TCR_MXDMA ( 0x7 /* Unlimited */ )
+
 /** Receive (Rx) Configuration Register (dword) */
 #define RTL_RCR 0x44
 #define RTL_RCR_RXFTH(x)	( (x) << 13 ) /**< Receive FIFO threshold */