diff --git a/bin/units b/bin/units
new file mode 100755
index 00000000..b011e2ee
--- /dev/null
+++ b/bin/units
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+set -euo pipefail
+
+node test/unit/run.js | ./node_modules/.bin/tap-dot
diff --git a/package.json b/package.json
index f54db70c..0c0cc1f7 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
   "scripts": {
     "start": "node index.js",
     "test": "npm run unit",
-    "unit": "node test/unit/run.js | tap-dot",
+    "unit": "./bin/units",
     "ciao": "node node_modules/ciao/bin/ciao -c test/ciao.json test/ciao",
     "coverage": "node_modules/.bin/istanbul cover test/unit/run.js",
     "audit": "npm shrinkwrap; node node_modules/nsp/bin/nspCLI.js audit-shrinkwrap; rm npm-shrinkwrap.json;",