diff --git a/hw/pci.c b/hw/pci.c
index c77f6e998a..1ffe428c5c 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -137,6 +137,14 @@ static void pci_update_irq_status(PCIDevice *dev)
     }
 }
 
+void pci_device_deassert_intx(PCIDevice *dev)
+{
+    int i;
+    for (i = 0; i < PCI_NUM_PINS; ++i) {
+        qemu_set_irq(dev->irq[i], 0);
+    }
+}
+
 /*
  * This function is called on #RST and FLR.
  * FLR if PCI_EXP_DEVCTL_BCR_FLR is set
@@ -152,6 +160,7 @@ void pci_device_reset(PCIDevice *dev)
 
     dev->irq_state = 0;
     pci_update_irq_status(dev);
+    pci_device_deassert_intx(dev);
     /* Clear all writeable bits */
     pci_word_test_and_clear_mask(dev->config + PCI_COMMAND,
                                  pci_get_word(dev->wmask + PCI_COMMAND) |
diff --git a/hw/pci.h b/hw/pci.h
index bc8d5bb3c7..0d2753f27e 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -264,6 +264,8 @@ void do_pci_info_print(Monitor *mon, const QObject *data);
 void do_pci_info(Monitor *mon, QObject **ret_data);
 void pci_bridge_update_mappings(PCIBus *b);
 
+void pci_device_deassert_intx(PCIDevice *dev);
+
 static inline void
 pci_set_byte(uint8_t *config, uint8_t val)
 {