diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index f023e3acdfbd8c7c17335cfa9518df05119f4ab7..cbe364210c7d62cc19e94caffc186f8bafea0ef8 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -34,6 +34,7 @@ KBUILD_DEFCONFIG := versatile_defconfig
 # defines filename extension depending memory management type.
 ifeq ($(CONFIG_MMU),)
 MMUEXT		:= -nommu
+KBUILD_CFLAGS	+= $(call cc-option,-mno-unaligned-access)
 endif
 
 ifeq ($(CONFIG_FRAME_POINTER),y)