diff --git a/src/sound/snd_audiopci.c b/src/sound/snd_audiopci.c
index 480362e3a..37b112287 100644
--- a/src/sound/snd_audiopci.c
+++ b/src/sound/snd_audiopci.c
@@ -158,7 +158,7 @@ typedef struct {
 #define INT_STATUS_DAC2			(1<<1)
 
 #define UART_CTRL_RXINTEN		(1<<7)
-#define UART_CTRL_TXINTEN		(1<<5)
+#define UART_CTRL_TXINTEN		(3<<5)
 
 #define UART_STATUS_RXINT		(1<<7)
 #define UART_STATUS_TXINT		(1<<2)
@@ -206,7 +206,8 @@ es1371_update_irqs(es1371_t *dev)
 	irq = 1;
 
     /* MIDI input is unsupported for now */
-    if ((dev->int_status & INT_STATUS_UART) && (dev->uart_status & UART_STATUS_TXINT))
+    if ((dev->int_status & INT_STATUS_UART) && (dev->uart_status & UART_STATUS_TXINT) &&
+	((dev->uart_ctrl & UART_CTRL_TXINTEN) != 0x20))
 	irq = 1;
 
     if (irq)
@@ -786,6 +787,9 @@ es1371_outb(uint16_t port, uint8_t val, void *p)
 	   Addressable as byte only */
 	case 0x09:
 		dev->uart_ctrl = val & 0xe3;
+		if ((dev->uart_ctrl & UART_CTRL_TXINTEN) != 0x20)
+			dev->int_status &= ~INT_STATUS_UART;
+		es1371_update_irqs(dev);
 		audiopci_log("ES1371 UART Cntrl = %02x\n", dev->uart_ctrl);
 		break;