diff --git a/README.md b/README.md
index 11fccbb..0c83e4b 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 [![npm](https://img.shields.io/npm/v/signcode.svg)](https://www.npmjs.com/packages/signcode)
 [![downloads](https://img.shields.io/npm/dm/signcode.svg)](https://www.npmjs.com/packages/signcode)
 
-Sign Windows executables and installers from a Mac.
+Sign Windows executables and installers from a Mac or a machine with osslsigncode installed.
 
 Works with `.pem`, `.p12`, and `.pfx` code signing files.
 
@@ -59,6 +59,7 @@ signcode.verify({ path: '/Users/kevin/apps/myapp.exe' }, function (error) {
 | `password`     | `String`  | No       | Password to the certificate or key. |
 | `passwordPath` | `String`  | No       | Path to a file containing the password for the certificate or key. |
 | `site`         | `String`  | No       | Website URL to include in the signature. |
+| `useLocal`     | `Boolean` | No       | `true` to use a locally installed version of osslsigncode (Linux anyone?). |
 
 ### Verification Options
 
diff --git a/index.js b/index.js
index ba7a4c5..94295ff 100644
--- a/index.js
+++ b/index.js
@@ -98,7 +98,7 @@ function spawnSign (options, callback) {
     spawnOptions.stdio = ['ignore', 'ignore', 'pipe']
   }
 
-  var signcode = ChildProcess.spawn(getSigncodePath(), args, spawnOptions)
+  var signcode = ChildProcess.spawn(getSigncodePath(options), args, spawnOptions)
 
   var stderr = ''
   signcode.stderr.on('data', function (data) {
@@ -144,7 +144,7 @@ function spawnVerify (options, callback) {
     )
   }
 
-  var signcode = ChildProcess.spawn(getSigncodePath(), args)
+  var signcode = ChildProcess.spawn(getSigncodePath(options), args)
 
   var stdout = ''
   signcode.stdout.on('data', function (data) {
@@ -186,6 +186,16 @@ function getOutputPath (inputPath, hash) {
   return path.join(path.dirname(inputPath), outputName)
 }
 
-function getSigncodePath () {
-  return path.join(__dirname, 'vendor', process.platform, 'osslsigncode')
+function getSigncodePath (options) {
+  var signcodePath = path.join(__dirname, 'vendor', process.platform, 'osslsigncode')
+
+  if (options.useLocal) {
+    try {
+      ChildProcess.execSync('which osslsigncode')
+      signcodePath = 'osslsigncode'
+    } catch (e) {
+      console.warn('Could not find a local version of osslsigncode. Attempting to use the version packaged with signcode.')
+    }
+  }
+  return signcodePath
 }