diff --git a/Makefile b/Makefile
index b16ce20..9ce7e2e 100644
--- a/Makefile
+++ b/Makefile
@@ -8,10 +8,13 @@
 .DEFAULT_GOAL := help
 .PHONY: test lint yamllint ansiblelint license help
 
-test: ## run tests on the playbook with molecule
+test: filter_test ## run tests on the playbook with molecule
 	molecule --version
 	molecule test
 
+filter_test: ## test filter plugins
+	python filter_plugins/rfc3442_words.py
+
 lint: yamllint ansiblelint ## run all lint checks
 
 # all YAML files