diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 7dea494..3657f61 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -19,6 +19,7 @@
 #
 # Some architectures use the generic PCI setup functions
 #
+obj-$(CONFIG_X86) += setup-bus.o
 obj-$(CONFIG_ALPHA) += setup-bus.o setup-irq.o
 obj-$(CONFIG_ARM) += setup-bus.o setup-irq.o
 obj-$(CONFIG_PARISC) += setup-bus.o