diff --git a/hw/Makefile b/hw/Makefile
index d615dfc0..e4e79593 100644
--- a/hw/Makefile
+++ b/hw/Makefile
@@ -2,6 +2,8 @@
 
 build_config:
 	./scripts/gen_config.py --outv ./rtl/VX_user_config.vh --outc ./VX_config.h
+	$(MAKE) -C simulate	
 
 clean:
-	rm ./rtl/VX_user_config.vh ./VX_config.h
\ No newline at end of file
+	rm ./rtl/VX_user_config.vh ./VX_config.h
+	$(MAKE) -C simulate clean
\ No newline at end of file