diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index db61daf..3d0c776 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -212,7 +212,7 @@
 
 config PPC_MM_SLICES
 	bool
-	default y if HUGETLB_PAGE || PPC_64K_PAGES
+	default y if HUGETLB_PAGE || (PPC_STD_MMU_64 && PPC_64K_PAGES)
 	default n
 
 config VIRT_CPU_ACCOUNTING