diff --git a/backend/src/webhook/github.ts b/backend/src/webhook/github.ts
index 31ce5ed94..fdeb0dfaf 100644
--- a/backend/src/webhook/github.ts
+++ b/backend/src/webhook/github.ts
@@ -15,11 +15,8 @@ export const githubWebhook = async (req: any, res: any): Promise<void> => {
     if (payload.ref === `refs/heads/${CONFIG.WEBHOOK_GITHUB_BRANCH}`) {
       // spawn shell and detach process to allow killing of parent process in the update script
       const child = spawn(
-        '/bin/bash',
-        [
-          path.join(__dirname, '../../../deployment/bare_metal/start.sh'),
-          CONFIG.WEBHOOK_GITHUB_BRANCH,
-        ],
+        path.join(__dirname, '../../../deployment/bare_metal/start.sh'),
+        [CONFIG.WEBHOOK_GITHUB_BRANCH],
         {
           detached: true,
           stdio: ['ignore', 'ignore', 'ignore'],