diff --git a/apps/server/src/services/ws_messaging_provider.ts b/apps/server/src/services/ws_messaging_provider.ts
index fc9a58c177..0896e8a906 100644
--- a/apps/server/src/services/ws_messaging_provider.ts
+++ b/apps/server/src/services/ws_messaging_provider.ts
@@ -1,6 +1,7 @@
 import type { WebSocketMessage } from "@triliumnext/commons";
 import type { ClientMessageHandler, MessagingProvider } from "@triliumnext/core";
 import type { IncomingMessage, Server as HttpServer } from "http";
+import type express from "express";
 import { WebSocket, WebSocketServer } from "ws";
 
 import config from "./config.js";
@@ -20,10 +21,10 @@ export default class WebSocketMessagingProvider implements MessagingProvider {
     private clientMap = new Map<string, WebSocket>();
     private clientMessageHandler?: ClientMessageHandler;
 
-    init(httpServer: HttpServer, sessionParser: SessionParser) {
+    init(httpServer: HttpServer, sessionParser: express.RequestHandler) {
         this.webSocketServer = new WebSocketServer({
             verifyClient: (info, done) => {
-                sessionParser(info.req, {}, () => {
+                sessionParser(info.req as express.Request, {}, () => {
                     const allowed = isElectron || (info.req as any).session.loggedIn || (config.General && config.General.noAuthentication);
 
                     if (!allowed) {
diff --git a/apps/server/src/www.ts b/apps/server/src/www.ts
index bb571ce457..ec3c31bbcf 100644
--- a/apps/server/src/www.ts
+++ b/apps/server/src/www.ts
@@ -60,7 +60,7 @@ export default async function startTriliumServer() {
     const httpServer = startHttpServer(app);
 
     const sessionParser = (await import("./routes/session_parser.js")).default;
-    (getMessagingProvider() as WebSocketMessagingProvider).init(httpServer, sessionParser); // TODO: Not sure why session parser is incompatible.
+    (getMessagingProvider() as WebSocketMessagingProvider).init(httpServer, sessionParser);
 
     if (utils.isElectron) {
         const electronRouting = await import("./routes/electron.js");