diff --git a/lib/worker.js b/lib/worker.js
index f9487a79..3956f877 100644
--- a/lib/worker.js
+++ b/lib/worker.js
@@ -6,6 +6,7 @@ const CP = require('childprocess-promise')
 const ChildProcess = require('child_process')
 const Path = require('path')
 const FS = require('fs')
+const resolveEnv = require('resolve-env')
 
 const Communication = new CP()
 
@@ -92,7 +93,7 @@ Communication.on('JOB', function(job) {
       Path.join(__dirname, 'reporter.js')
     ]
     if (params.rulesDir) {
-      let rulesDir = params.rulesDir
+      let rulesDir = resolveEnv(params.rulesDir)
       if (!Path.isAbsolute(rulesDir)) {
         rulesDir = find(params.fileDir, rulesDir)
       }
diff --git a/package.json b/package.json
index 8c55a64f..3639042d 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,8 @@
     "atom-package-deps": "^3.0.2",
     "childprocess-promise": "^3.0.0",
     "escape-html": "^1.0.3",
-    "eslint": "^1.9.0"
+    "eslint": "^1.9.0",
+    "resolve-env": "^1.0.0"
   },
   "devDependencies": {
     "eslint-plugin-react": "^3.8.0",