diff --git a/services/mam-api/src/index.js b/services/mam-api/src/index.js
index 36fbd10..42bd169 100644
--- a/services/mam-api/src/index.js
+++ b/services/mam-api/src/index.js
@@ -6,6 +6,7 @@ import ConnectPgSimple from 'connect-pg-simple';
 import os from 'node:os';
 import pool from './db/pool.js';
 import { errorHandler } from './middleware/errors.js';
+import { loadS3ConfigFromDb } from './s3/client.js';
 
 // Routes
 import authRouter from './routes/auth.js';
@@ -102,6 +103,9 @@ async function runMigrations() {
 }
 await runMigrations();
 
+// Load S3 config from DB so any settings saved via the Settings page override env vars
+await loadS3ConfigFromDb();
+
 // ── Cluster self-heartbeat ────────────────────────────────────────────────────
 // Registers this node in cluster_nodes every 30 s so the Cluster page shows it.
 function getLocalIp() {