diff --git a/index.js b/index.js
index f6bfec7..d81dce1 100644
--- a/index.js
+++ b/index.js
@@ -1,4 +1,4 @@
-const exec = require('child_process').exec;
+const exec = require('child_process').execFile;
 
 const COMMANDS = {
   darwin: 'open',
@@ -10,7 +10,7 @@ const command = COMMANDS[process.platform] || 'xdg-open';
 
 module.exports = function xopen(filepath) {
   return new Promise(function(resolve, reject) {
-    exec(command + ' ' + filepath, (error, stdout, stderr) => {
+    exec(command, [filepath], (error, stdout, stderr) => {
       if (error) {
         return reject(error);
       }