diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 32dd693b4e4205ab773eed435710b5b34106ea1e..3212d076ac6a4318e76a55bd98ecf230d7a520f6 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -438,12 +438,15 @@ endif
 endif
 
 ifdef CONFIG_SMP
+ifdef CONFIG_PPC32
 prepare: task_cpu_prepare
 
 PHONY += task_cpu_prepare
 task_cpu_prepare: prepare0
 	$(eval KBUILD_CFLAGS += -D_TASK_CPU=$(shell awk '{if ($$2 == "TASK_CPU") print $$3;}' include/generated/asm-offsets.h))
-endif
+
+endif # CONFIG_PPC32
+endif # CONFIG_SMP
 
 PHONY += checkbin
 # Check toolchain versions: