diff --git a/Makefile b/Makefile
index 23f7b5e..043d673 100755
--- a/Makefile
+++ b/Makefile
@@ -1032,7 +1032,8 @@ EXTRA_CFLAGS += -DDM_ODM_SUPPORT_TYPE=0x04
 ifeq ($(CONFIG_PLATFORM_I386_PC), y)
 EXTRA_CFLAGS += -DCONFIG_LITTLE_ENDIAN
 EXTRA_CFLAGS += -DCONFIG_IOCTL_CFG80211 -DRTW_USE_CFG80211_STA_EVENT
-SUBARCH := $(shell uname -m | sed -e "s/i.86/i386/; s/ppc64le/powerpc/; s/ppc/powerpc/; s/armv.l/arm/; s/aarch64/arm64/;")ARCH ?= $(SUBARCH)
+SUBARCH := $(shell uname -m | sed -e "s/i.86/i386/; s/ppc64le/powerpc/; s/ppc/powerpc/; s/armv.l/arm/; s/aarch64/arm64/;")
+ARCH ?= $(SUBARCH)
 CROSS_COMPILE ?=
 KVER  := $(shell uname -r)
 KSRC := /lib/modules/$(KVER)/build