diff --git a/back/services/cron.ts b/back/services/cron.ts
index fbccceaf..1676274b 100644
--- a/back/services/cron.ts
+++ b/back/services/cron.ts
@@ -211,7 +211,7 @@ export default class CronService {
         cmdStr = `${cmdStr} now`;
       }
 
-      const cp = spawn(cmdStr, { shell: true, detached: true });
+      const cp = spawn(cmdStr, { shell: '/bin/bash' });
       this.cronDb.update(
         { _id },
         { $set: { status: CrontabStatus.running, pid: cp.pid } },