diff --git a/server/src/schedule-worker.ts b/server/src/schedule-worker.ts
index 85a294c4..91c3c224 100644
--- a/server/src/schedule-worker.ts
+++ b/server/src/schedule-worker.ts
@@ -7,6 +7,10 @@ import Robot from './models/Robot';
 import { handleRunRecording } from './workflow-management/scheduler';
 import { computeNextRun } from './utils/schedule';
 
+if (!process.env.DB_USER || !process.env.DB_PASSWORD || !process.env.DB_HOST || !process.env.DB_PORT || !process.env.DB_NAME) {
+    throw new Error('One or more required environment variables are missing.');
+}
+
 const pgBossConnectionString = `postgresql://${process.env.DB_USER}:${encodeURIComponent(process.env.DB_PASSWORD)}@${process.env.DB_HOST}:${process.env.DB_PORT}/${process.env.DB_NAME}`;
 
 const pgBoss = new PgBoss({connectionString: pgBossConnectionString });