diff --git a/Makefile b/Makefile
index ec28547..c48c211 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 SHELL := /bin/bash
 
 test:
-	@node test/run.js
+	@node test/run.js $(type)
 
 .PHONY: test
diff --git a/test/run.js b/test/run.js
index 887fab3..26f53b0 100644
--- a/test/run.js
+++ b/test/run.js
@@ -1 +1,2 @@
-require('urun')(__dirname);
+var path = require('path');
+require('urun')(path.join(__dirname, process.argv[2]));