diff --git a/Makefile b/Makefile
index ba66097..1069adc 100644
--- a/Makefile
+++ b/Makefile
@@ -1963,6 +1963,7 @@
 	echo \#define U_BOOT_VERSION_NUM $(VERSION); \
 	echo \#define U_BOOT_VERSION_NUM_PATCH $$(echo $(PATCHLEVEL) | \
 		sed -e "s/^0*//"); \
+	echo \#define HOST_ARCH $(HOST_ARCH); \
 	echo \#define CC_VERSION_STRING \"$$(LC_ALL=C $(CC) --version | head -n 1)\"; \
 	echo \#define LD_VERSION_STRING \"$$(LC_ALL=C $(LD) --version | head -n 1)\"; )
 endef
diff --git a/arch/sandbox/config.mk b/arch/sandbox/config.mk
index 1d50991..4058438 100644
--- a/arch/sandbox/config.mk
+++ b/arch/sandbox/config.mk
@@ -69,5 +69,3 @@
 endif
 EFI_CRT0 := crt0_sandbox_efi.o
 EFI_RELOC := reloc_sandbox_efi.o
-AFLAGS_crt0_sandbox_efi.o += -DHOST_ARCH="$(HOST_ARCH)"
-CFLAGS_reloc_sandbox_efi.o += -DHOST_ARCH="$(HOST_ARCH)"
diff --git a/include/host_arch.h b/include/host_arch.h
index 169d494..261194b 100644
--- a/include/host_arch.h
+++ b/include/host_arch.h
@@ -16,6 +16,8 @@
 export HOST_ARCH_X86_64=0x8664
 #endif
 
+#include <version.h>
+
 #define HOST_ARCH_AARCH64 0xaa64
 #define HOST_ARCH_ARM 0x00a7
 #define HOST_ARCH_RISCV32 0x5032
diff --git a/lib/efi_loader/Makefile b/lib/efi_loader/Makefile
index fcb0af7..086521f 100644
--- a/lib/efi_loader/Makefile
+++ b/lib/efi_loader/Makefile
@@ -6,8 +6,7 @@
 # This file only gets included with CONFIG_EFI_LOADER set, so all
 # object inclusion implicitly depends on it
 
-asflags-y += -DHOST_ARCH="$(HOST_ARCH)" -I.
-ccflags-y += -DHOST_ARCH="$(HOST_ARCH)"
+asflags-y += -I.
 
 CFLAGS_efi_boottime.o += \
   -DFW_VERSION="0x$(VERSION)" \