diff --git a/src/class/Util.ts b/src/class/Util.ts
index afa999c..5ecdf5e 100644
--- a/src/class/Util.ts
+++ b/src/class/Util.ts
@@ -33,7 +33,7 @@ export default class Util {
    * @param options childProcess.ExecOptions
    */
   public async exec(command: string, options: childProcess.ExecOptions = {}): Promise<string> {
-    return new Promise((res, rej) => {
+    /* return new Promise((res, rej) => {
       let output = '';
       const writeFunction = (data: string|Buffer|Error) => {
         output += `${data}`;
@@ -50,6 +50,13 @@ export default class Util {
         if (code !== 0) rej(new Error(`Command failed: ${command}\n${output}`));
         res(output);
       });
+    }); */
+    return new Promise((resolve, reject) => {
+      childProcess.exec(command, options, (err, stdout, stderr) => {
+        if (stderr) reject(new Error(`Command failed: ${command}\n${stderr}`));
+        if (err) reject(err);
+        resolve(stdout);
+      });
     });
   }