diff --git a/Makefile b/Makefile
index 7ce96ec7fbacfba1b64d2f1ab231fca9ab7bb6ff..340422b9adcbe65f377e2f77e96d96ff5271ad95 100644
--- a/Makefile
+++ b/Makefile
@@ -35,13 +35,21 @@ clean_methods := $(methods:%=clean-%)
 .PHONY: all
 all: $(methods)
 
+.PHONY: helper
+helper:
+	$(MAKE) -C src/helper_files
+
 .PHONY: methods
-$(methods):
+$(methods): helper
 	$(MAKE) -C src/methods/$@
 
+.PHONY: clean_helper
+clean_helper:
+	$(MAKE) -C src/helper_files
+
 .PHONY: $(clean_methods)
 $(clean_methods):
 	$(MAKE) -C src/methods/$(@:clean-%=%) clean
 
 .PHONY: clean
-clean: $(clean_methods)
+clean: clean_helper $(clean_methods)