diff --git a/index.js b/index.js
index a90c75e..000db45 100644
--- a/index.js
+++ b/index.js
@@ -4,8 +4,20 @@ const loaderUtils = require('loader-utils');
 module.exports = function(source) {
     const callback = this.async();
     const { script, ...options } = loaderUtils.getOptions(this);
+
+    if (!options.cwd) {
+        options.cwd = this.context;
+    }
+
+    if (options.maxBuffer) {
+        options.maxBuffer = parseInt(options.maxBuffer);
+    }
+
     const command = exec(script, options, function(err, result) {
-        if (err) return callback(err);
+        if (err) {
+            throw new Error(err);
+        }
+
         callback(null, result);
     });
     command.stdin.write(source);
diff --git a/package-lock.json b/package-lock.json
index e9c50ef..dd2ca2a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -33,9 +33,9 @@
       }
     },
     "minimist": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
     }
   }
 }
diff --git a/package.json b/package.json
index a4e70a2..84ac040 100644
--- a/package.json
+++ b/package.json
@@ -12,9 +12,6 @@
     "shell-script"
   ],
   "main": "index.js",
-  "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
-  },
   "repository": {
     "type": "git",
     "url": "https://github.com/localjo/shell-loader.git"