diff --git a/src/southbridge/intel/bd82x6x/early_smbus.c b/src/southbridge/intel/bd82x6x/early_smbus.c
index f3151af200..0275078129 100644
--- a/src/southbridge/intel/bd82x6x/early_smbus.c
+++ b/src/southbridge/intel/bd82x6x/early_smbus.c
@@ -1,6 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /* This file is part of the coreboot project. */
 
+#include <device/pci_ids.h>
 #include <device/pci_ops.h>
 #include <device/pci_def.h>
 #include <device/smbus_host.h>
@@ -17,7 +18,7 @@ int smbus_enable_iobar(uintptr_t base)
 	pci_devfn_t dev = PCI_DEV(0x0, 0x1f, 0x3);
 
 	/* Check to make sure we've got the right device. */
-	if (pci_read_config16(dev, 0x0) != 0x8086)
+	if (pci_read_config16(dev, PCI_VENDOR_ID) != PCI_VENDOR_ID_INTEL)
 		return -1;
 
 	/* Set SMBus I/O base. */
diff --git a/src/southbridge/intel/ibexpeak/early_smbus.c b/src/southbridge/intel/ibexpeak/early_smbus.c
index 0c99a2245f..b87c872012 100644
--- a/src/southbridge/intel/ibexpeak/early_smbus.c
+++ b/src/southbridge/intel/ibexpeak/early_smbus.c
@@ -1,6 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /* This file is part of the coreboot project. */
 
+#include <device/pci_ids.h>
 #include <device/pci_ops.h>
 #include <device/pci_def.h>
 #include <device/smbus_host.h>
@@ -17,7 +18,7 @@ int smbus_enable_iobar(uintptr_t base)
 	pci_devfn_t dev = PCI_DEV(0x0, 0x1f, 0x3);
 
 	/* Check to make sure we've got the right device. */
-	if (pci_read_config16(dev, 0x0) != 0x8086)
+	if (pci_read_config16(dev, PCI_VENDOR_ID) != PCI_VENDOR_ID_INTEL)
 		return -1;
 
 	/* Set SMBus I/O base. */
diff --git a/src/southbridge/intel/lynxpoint/early_smbus.c b/src/southbridge/intel/lynxpoint/early_smbus.c
index f3151af200..0275078129 100644
--- a/src/southbridge/intel/lynxpoint/early_smbus.c
+++ b/src/southbridge/intel/lynxpoint/early_smbus.c
@@ -1,6 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /* This file is part of the coreboot project. */
 
+#include <device/pci_ids.h>
 #include <device/pci_ops.h>
 #include <device/pci_def.h>
 #include <device/smbus_host.h>
@@ -17,7 +18,7 @@ int smbus_enable_iobar(uintptr_t base)
 	pci_devfn_t dev = PCI_DEV(0x0, 0x1f, 0x3);
 
 	/* Check to make sure we've got the right device. */
-	if (pci_read_config16(dev, 0x0) != 0x8086)
+	if (pci_read_config16(dev, PCI_VENDOR_ID) != PCI_VENDOR_ID_INTEL)
 		return -1;
 
 	/* Set SMBus I/O base. */