diff --git a/server/http_server.ts b/server/http_server.ts
index 87987cc..b94e1af 100644
--- a/server/http_server.ts
+++ b/server/http_server.ts
@@ -33,7 +33,7 @@ export class HttpServer {
     this.hostname = options.hostname;
     this.port = options.port;
     this.app = new Application();
-    this.user = options.user ?? Deno.env.get("SB_USER");
+    this.user = options.user;
     this.clientAssetBundle = options.clientAssetBundle;
   }
 
diff --git a/web/boot.ts b/web/boot.ts
index cfa0909..45b744e 100644
--- a/web/boot.ts
+++ b/web/boot.ts
@@ -32,3 +32,9 @@ if (navigator.serviceWorker) {
     "Not launching service worker, likely because not running from localhost or over HTTPs. This means SilverBullet will not be available offline.",
   );
 }
+
+if (!globalThis.indexedDB) {
+  alert(
+    "SilverBullet requires IndexedDB to operate and it is not available in your browser. Please use a recent version of Chrome, Firefox (not in private mode) or Safari.",
+  );
+}