diff --git a/hw/ppc/Makefile.objs b/hw/ppc/Makefile.objs
index 1faff853b745ac2c0ae27a4665f00fba50948dfa..ad1928c5d86e7f4e19462f7edc18fb76a1f21036 100644
--- a/hw/ppc/Makefile.objs
+++ b/hw/ppc/Makefile.objs
@@ -12,8 +12,8 @@ obj-y += spapr_pci_vfio.o
 endif
 obj-$(CONFIG_PSERIES) += spapr_rtas_ddw.o
 # PowerPC 4xx boards
-obj-y += ppc405_boards.o ppc4xx_devs.o ppc405_uc.o ppc440_bamboo.o
-obj-y += ppc4xx_pci.o
+obj-y += ppc4xx_devs.o ppc405_uc.o
+obj-$(CONFIG_PPC4XX) += ppc4xx_pci.o ppc405_boards.o ppc440_bamboo.o
 # PReP
 obj-$(CONFIG_PREP) += prep.o
 obj-$(CONFIG_PREP) += prep_systemio.o