diff --git a/Makefile b/Makefile
index 3f34ef7104..43a4333cf1 100644
--- a/Makefile
+++ b/Makefile
@@ -131,7 +131,7 @@ endif
 #
 .PHONY:	clean
 clean:
-	@make -C $(NUTTX_SRC) -r $(MQUIET) clean
+	@make -C $(NUTTX_SRC) -r $(MQUIET) distclean
 	@make -C $(ROMFS_SRC) -r $(MQUIET) clean
 
 .PHONY:	distclean