diff --git a/drivers/dahdi/voicebus/voicebus.c b/drivers/dahdi/voicebus/voicebus.c
index 4efd2f9..16f3466 100644
--- a/drivers/dahdi/voicebus/voicebus.c
+++ b/drivers/dahdi/voicebus/voicebus.c
@@ -1881,7 +1881,7 @@ __voicebus_init(struct voicebus *vb, const char *board_name,
 		goto cleanup;
 
 #if !defined(CONFIG_VOICEBUS_TIMER)
-	retval = request_irq(vb->pdev->irq, vb_isr, DAHDI_IRQ_SHARED,
+	retval = request_irq(vb->pdev->irq, vb_isr, DAHDI_IRQ_SHARED_DISABLED,
 			     board_name, vb);
 	if (retval) {
 		dev_warn(&vb->pdev->dev, "Failed to request interrupt line.\n");