diff --git a/qxldod/QxlDod.cpp b/qxldod/QxlDod.cpp
index 43cf8eb..a4b0604 100755
--- a/qxldod/QxlDod.cpp
+++ b/qxldod/QxlDod.cpp
@@ -4,6 +4,11 @@
 
 #pragma code_seg(push)
 #pragma code_seg()
+
+#define WIN_QXL_INT_MASK ((QXL_INTERRUPT_DISPLAY) | \
+                          (QXL_INTERRUPT_CURSOR) | \
+                          (QXL_INTERRUPT_IO_CMD))
+
 // BEGIN: Non-Paged Code
 
 // Bit is 1 from Idx to end of byte, with bit count starting at high order
@@ -3347,7 +3352,7 @@ NTSTATUS QxlDevice::QxlInit(DXGK_DISPLAY_INFORMATION* pDispInfo)
 
     WRITE_PORT_UCHAR((PUCHAR)(m_IoBase + QXL_IO_RESET), 0);
     CreateRings();
-    m_RamHdr->int_mask = ~0;
+    m_RamHdr->int_mask = WIN_QXL_INT_MASK;
     CreateMemSlots();
     InitDeviceMemoryResources();
     return Status;
@@ -4551,10 +4556,11 @@ BOOLEAN QxlDevice::InterruptRoutine(_In_ PDXGKRNL_INTERFACE pDxgkInterface, _In_
 
     pDxgkInterface->DxgkCbNotifyInterrupt(pDxgkInterface->DeviceHandle,&notifyInt);
     if (!pDxgkInterface->DxgkCbQueueDpc(pDxgkInterface->DeviceHandle)) {
-        m_RamHdr->int_mask = ~0;
+        m_RamHdr->int_mask = WIN_QXL_INT_MASK;
         WRITE_PORT_UCHAR((PUCHAR)(m_IoBase + QXL_IO_UPDATE_IRQ), 0);
         DbgPrint(TRACE_LEVEL_FATAL, ("---> %s DxgkCbQueueDpc failed\n", __FUNCTION__));
     }
+    DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
     return TRUE;
 }
 
@@ -4586,7 +4592,7 @@ VOID QxlDevice::DpcRoutine(PVOID ptr)
         DbgPrint(TRACE_LEVEL_INFORMATION, ("---> %s m_IoCmdEvent\n", __FUNCTION__));
         KeSetEvent (&m_IoCmdEvent, IO_NO_INCREMENT, FALSE);
     }
-    m_RamHdr->int_mask = ~0;
+    m_RamHdr->int_mask = WIN_QXL_INT_MASK;
     WRITE_PORT_UCHAR((PUCHAR)(m_IoBase + QXL_IO_UPDATE_IRQ), 0);
 
     DbgPrint(TRACE_LEVEL_INFORMATION, ("<--- %s\n", __FUNCTION__));