diff --git a/build/root/Makefile b/build/root/Makefile
index 969afb15523..cd72ebbde00 100644
--- a/build/root/Makefile
+++ b/build/root/Makefile
@@ -555,7 +555,7 @@ ifeq ($(PRINT_HELP),y)
 generated_files:
 	@echo "$$GENERATED_FILES_HELP_INFO"
 else
-generated_files:
+generated_files gen_openapi:
 	$(MAKE) -f Makefile.generated_files $@ CALLED_FROM_MAIN_MAKEFILE=1
 endif