diff --git a/arch/i386/pci/Makefile b/arch/i386/pci/Makefile
index 44650e03308b..cdd6828b5abb 100644
--- a/arch/i386/pci/Makefile
+++ b/arch/i386/pci/Makefile
@@ -1,7 +1,7 @@
 obj-y				:= i386.o init.o
 
 obj-$(CONFIG_PCI_BIOS)		+= pcbios.o
-obj-$(CONFIG_PCI_MMCONFIG)	+= mmconfig.o direct.o mmconfig-shared.o
+obj-$(CONFIG_PCI_MMCONFIG)	+= mmconfig_32.o direct.o mmconfig-shared.o
 obj-$(CONFIG_PCI_DIRECT)	+= direct.o
 
 pci-y				:= fixup.o
diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig_32.c
similarity index 100%
rename from arch/i386/pci/mmconfig.c
rename to arch/i386/pci/mmconfig_32.c