diff --git a/src/device/pci_device.c b/src/device/pci_device.c
index 6075ebe..f4608fc 100644
--- a/src/device/pci_device.c
+++ b/src/device/pci_device.c
@@ -542,7 +542,8 @@
 			dev->command |= PCI_COMMAND_MEMORY;
 		if (resource->flags & IORESOURCE_IO)
 			dev->command |= PCI_COMMAND_IO;
-		if (resource->flags & IORESOURCE_PCI_BRIDGE)
+		if (resource->flags & IORESOURCE_PCI_BRIDGE &&
+		    CONFIG(PCI_SET_BUS_MASTER_PCI_BRIDGES))
 			dev->command |= PCI_COMMAND_MASTER;
 	}