diff --git a/Makefile b/Makefile
index 8f30f6dbb..e75e10304 100644
--- a/Makefile
+++ b/Makefile
@@ -117,6 +117,7 @@ fail-compile:	test-build
 
 clean:
 	-$(MAKE) -C $(PARSER_DIR) clean
+	-$(MAKE) -C $(CPPPARSER_DIR) clean
 	-$(MAKE) -C $(SEMANTICS_DIR) clean
 	-$(MAKE) -C $(TESTS_DIR) clean
 	-$(MAKE) -C $(PASS_TESTS_DIR) clean