diff --git a/bin/lscdiag.js b/bin/lscdiag.js
index 12b6fd8..8826ddb 100644
--- a/bin/lscdiag.js
+++ b/bin/lscdiag.js
@@ -1,7 +1,4 @@
-// Use the LSC test suite to test for missing source map information in LSC output.
-
-// XXX: This may not be the ideal way to do this, but I don't want to mess with the
-// `babel-helper-plugin-test-runner`.
+#!/usr/bin/env node
 
 const fs = require("fs");
 const glob = require("glob");
diff --git a/package.json b/package.json
index 4328b9d..9f9bb9d 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,8 @@
     "test": "mocha test",
     "test:debug": "node --inspect --debug-brk mocha test",
     "build": "babel src --out-dir .",
-    "prepublish": "npm run build && npm test"
+    "prepublish": "npm run build && npm test",
+    "diag": "./bin/lscdiag.js"
   },
   "bin": {
     "lscdiag": "./bin/lscdiag.js"
@@ -22,7 +23,7 @@
     "@oigroup/babylon-lightscript": "^0.4.8"
   },
   "files": [
-    "bin/",
+    "bin",
     "stdlib.js",
     "index.js"
   ],