diff --git a/src/server/jobs/queues.ts b/src/server/jobs/queues.ts
index 231859b..315d0b2 100644
--- a/src/server/jobs/queues.ts
+++ b/src/server/jobs/queues.ts
@@ -75,7 +75,8 @@ function queue(name: JobQueueName): Queue<JobPayload> | null {
 export async function enqueueJob(name: JobQueueName, payload: JobPayload): Promise<boolean> {
   const q = queue(name);
   if (!q) return false;
-  await q.add(name, payload, { jobId: `${name}:${payload.tenantId}:${payload.entityId}:${Date.now()}` });
+  // BullMQ rejects custom job ids containing ":" (reserved for its Redis key layout).
+  await q.add(name, payload, { jobId: `${name}__${payload.tenantId}__${payload.entityId}__${Date.now()}` });
   return true;
 }