diff --git a/lib/main.js b/lib/main.js
index 2c0e699..a8325f9 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -14,7 +14,7 @@ export default {
     } catch (err) {
       if (err.code === 'MODULE_NOT_FOUND') {
         console.log('serialport not installed. Installing...');
-        require('child_process').execSync('npm install serialport');
+        require('child_process').execSync('npm install serialport', { cwd: __dirname + '/..' });
         console.log('Installed serialport!');
       }
     }