diff --git a/hw/pci-bridge/dec.c b/hw/pci-bridge/dec.c
index 8484bfd434..ca40253730 100644
--- a/hw/pci-bridge/dec.c
+++ b/hw/pci-bridge/dec.c
@@ -68,7 +68,7 @@ static void dec_21154_pci_bridge_class_init(ObjectClass *klass, void *data)
     k->vendor_id = PCI_VENDOR_ID_DEC;
     k->device_id = PCI_DEVICE_ID_DEC_21154;
     k->config_write = pci_bridge_write_config;
-    k->is_bridge = 1;
+    k->is_bridge = true;
     dc->desc = "DEC 21154 PCI-PCI bridge";
     dc->reset = pci_bridge_reset;
     dc->vmsd = &vmstate_pci_device;
@@ -129,7 +129,7 @@ static void dec_21154_pci_host_class_init(ObjectClass *klass, void *data)
     k->device_id = PCI_DEVICE_ID_DEC_21154;
     k->revision = 0x02;
     k->class_id = PCI_CLASS_BRIDGE_PCI;
-    k->is_bridge = 1;
+    k->is_bridge = true;
     /*
      * PCI-facing part of the host bridge, not usable without the
      * host-facing part, which can't be device_add'ed, yet.
diff --git a/hw/pci-bridge/i82801b11.c b/hw/pci-bridge/i82801b11.c
index 10e590e5c6..6d8b0f54a7 100644
--- a/hw/pci-bridge/i82801b11.c
+++ b/hw/pci-bridge/i82801b11.c
@@ -90,7 +90,7 @@ static void i82801b11_bridge_class_init(ObjectClass *klass, void *data)
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
     DeviceClass *dc = DEVICE_CLASS(klass);
 
-    k->is_bridge = 1;
+    k->is_bridge = true;
     k->vendor_id = PCI_VENDOR_ID_INTEL;
     k->device_id = PCI_DEVICE_ID_INTEL_82801BA_11;
     k->revision = ICH9_D2P_A2_REVISION;
diff --git a/hw/pci-bridge/pci_bridge_dev.c b/hw/pci-bridge/pci_bridge_dev.c
index ff6b8323da..c56ed1f52f 100644
--- a/hw/pci-bridge/pci_bridge_dev.c
+++ b/hw/pci-bridge/pci_bridge_dev.c
@@ -253,7 +253,7 @@ static void pci_bridge_dev_class_init(ObjectClass *klass, void *data)
     k->vendor_id = PCI_VENDOR_ID_REDHAT;
     k->device_id = PCI_DEVICE_ID_REDHAT_BRIDGE;
     k->class_id = PCI_CLASS_BRIDGE_PCI;
-    k->is_bridge = 1,
+    k->is_bridge = true;
     dc->desc = "Standard PCI Bridge";
     dc->reset = qdev_pci_bridge_dev_reset;
     dc->props = pci_bridge_dev_properties;
diff --git a/hw/pci-bridge/pcie_pci_bridge.c b/hw/pci-bridge/pcie_pci_bridge.c
index d491b40d04..9a4fba413a 100644
--- a/hw/pci-bridge/pcie_pci_bridge.c
+++ b/hw/pci-bridge/pcie_pci_bridge.c
@@ -143,7 +143,7 @@ static void pcie_pci_bridge_class_init(ObjectClass *klass, void *data)
     DeviceClass *dc = DEVICE_CLASS(klass);
     HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
 
-    k->is_bridge = 1;
+    k->is_bridge = true;
     k->vendor_id = PCI_VENDOR_ID_REDHAT;
     k->device_id = PCI_DEVICE_ID_REDHAT_PCIE_BRIDGE;
     k->realize = pcie_pci_bridge_realize;
diff --git a/hw/pci-bridge/pcie_root_port.c b/hw/pci-bridge/pcie_root_port.c
index e94d918b6d..be3f4d5e03 100644
--- a/hw/pci-bridge/pcie_root_port.c
+++ b/hw/pci-bridge/pcie_root_port.c
@@ -162,7 +162,7 @@ static void rp_class_init(ObjectClass *klass, void *data)
     DeviceClass *dc = DEVICE_CLASS(klass);
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
 
-    k->is_bridge = 1;
+    k->is_bridge = true;
     k->config_write = rp_write_config;
     k->realize = rp_realize;
     k->exit = rp_exit;
diff --git a/hw/pci-bridge/simba.c b/hw/pci-bridge/simba.c
index dea4c8c5e7..7cf0d6e047 100644
--- a/hw/pci-bridge/simba.c
+++ b/hw/pci-bridge/simba.c
@@ -76,7 +76,7 @@ static void simba_pci_bridge_class_init(ObjectClass *klass, void *data)
     k->device_id = PCI_DEVICE_ID_SUN_SIMBA;
     k->revision = 0x11;
     k->config_write = pci_bridge_write_config;
-    k->is_bridge = 1;
+    k->is_bridge = true;
     set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
     dc->reset = pci_bridge_reset;
     dc->vmsd = &vmstate_pci_device;
diff --git a/hw/pci-bridge/xio3130_downstream.c b/hw/pci-bridge/xio3130_downstream.c
index 467bbabe4c..ab2a51e15d 100644
--- a/hw/pci-bridge/xio3130_downstream.c
+++ b/hw/pci-bridge/xio3130_downstream.c
@@ -152,7 +152,7 @@ static void xio3130_downstream_class_init(ObjectClass *klass, void *data)
     DeviceClass *dc = DEVICE_CLASS(klass);
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
 
-    k->is_bridge = 1;
+    k->is_bridge = true;
     k->config_write = xio3130_downstream_write_config;
     k->realize = xio3130_downstream_realize;
     k->exit = xio3130_downstream_exitfn;
diff --git a/hw/pci-bridge/xio3130_upstream.c b/hw/pci-bridge/xio3130_upstream.c
index b524908cf1..1d41a49ab0 100644
--- a/hw/pci-bridge/xio3130_upstream.c
+++ b/hw/pci-bridge/xio3130_upstream.c
@@ -126,7 +126,7 @@ static void xio3130_upstream_class_init(ObjectClass *klass, void *data)
     DeviceClass *dc = DEVICE_CLASS(klass);
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
 
-    k->is_bridge = 1;
+    k->is_bridge = true;
     k->config_write = xio3130_upstream_write_config;
     k->realize = xio3130_upstream_realize;
     k->exit = xio3130_upstream_exitfn;
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index da20c915ef..d082707dfa 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -234,7 +234,7 @@ typedef struct PCIDeviceClass {
      * This doesn't mean pci host switch.
      * When card bus bridge is supported, this would be enhanced.
      */
-    int is_bridge;
+    bool is_bridge;
 
     /* rom bar */
     const char *romfile;