diff --git a/payloads/external/tianocore/Makefile b/payloads/external/tianocore/Makefile
index a29dfd2d8e..198c17f6fe 100644
--- a/payloads/external/tianocore/Makefile
+++ b/payloads/external/tianocore/Makefile
@@ -40,11 +40,13 @@ endif
 TIMEOUT=-D PLATFORM_BOOT_TIMEOUT=$(CONFIG_TIANOCORE_BOOT_TIMEOUT)
 
 ifeq ($(CONFIG_TIANOCORE_TARGET_IA32), y)
-	BUILD_STR=-q -a IA32 -t COREBOOT -p $(bootloader)/$(bootloader)Ia32.dsc -b $(BUILD_TYPE) $(TIMER) $(TIMEOUT) $(build_flavor)
+ARCH=-a IA32 -p $(bootloader)/$(bootloader)Ia32.dsc
 else
-	BUILD_STR=-q -a IA32 -a X64 -t COREBOOT -p $(bootloader)/$(bootloader)Ia32X64.dsc -b $(BUILD_TYPE) $(TIMER) $(TIMEOUT) $(build_flavor)
+ARCH=-a IA32 -a X64 -p $(bootloader)/$(bootloader)Ia32X64.dsc
 endif
 
+BUILD_STR=-q $(ARCH) -t COREBOOT -b $(BUILD_TYPE) $(TIMER) $(TIMEOUT) $(build_flavor)
+
 all: clean build
 
 $(project_dir):