diff --git a/Makefile b/Makefile
index bde7cf376..7424dd676 100644
--- a/Makefile
+++ b/Makefile
@@ -153,6 +153,9 @@ ifeq ($(DYNAMIC_ARCH), 1)
 	do  $(MAKE) GOTOBLAS_MAKEFILE= -C kernel TARGET_CORE=$$d kernel || exit 1 ;\
 	done
 	echo DYNAMIC_ARCH=1 >> Makefile.conf_last
+endif
+ifdef USE_THREAD
+	echo USE_THREAD=$(USE_THREAD) >>  Makefile.conf_last
 endif
 	touch lib.grd