diff --git a/src/services/webService.ts b/src/services/webService.ts
index 9c38dc15..2f5f3e3f 100644
--- a/src/services/webService.ts
+++ b/src/services/webService.ts
@@ -108,6 +108,23 @@ interface IWsMsgFromClient {
     };
 }
 
+interface IWsMsgToClient {
+    ports?: {
+        http: number | undefined;
+        https: number | undefined;
+    };
+    config_reloaded?: boolean;
+    auth_succ?: {
+        id: string;
+        DisplayName: string;
+        Nonce: number;
+    };
+    auth_fail?: {
+        isRegister: boolean;
+    };
+    logged_out?: boolean;
+}
+
 const wsOnConnect = (ws: ws, _req: http.IncomingMessage): void => {
     // eslint-disable-next-line @typescript-eslint/no-misused-promises
     ws.on("message", async msg => {
@@ -144,7 +161,7 @@ const wsOnConnect = (ws: ws, _req: http.IncomingMessage): void => {
                             DisplayName: account.DisplayName,
                             Nonce: account.Nonce
                         }
-                    })
+                    } satisfies IWsMsgToClient)
                 );
             } else {
                 ws.send(
@@ -152,14 +169,14 @@ const wsOnConnect = (ws: ws, _req: http.IncomingMessage): void => {
                         auth_fail: {
                             isRegister: data.auth.isRegister
                         }
-                    })
+                    } satisfies IWsMsgToClient)
                 );
             }
         }
     });
 };
 
-export const sendWsBroadcast = <T>(data: T): void => {
+export const sendWsBroadcast = (data: IWsMsgToClient): void => {
     const msg = JSON.stringify(data);
     if (wsServer) {
         for (const client of wsServer.clients) {
@@ -173,7 +190,7 @@ export const sendWsBroadcast = <T>(data: T): void => {
     }
 };
 
-export const sendWsBroadcastTo = <T>(accountId: string, data: T): void => {
+export const sendWsBroadcastTo = (accountId: string, data: IWsMsgToClient): void => {
     const msg = JSON.stringify(data);
     if (wsServer) {
         for (const client of wsServer.clients) {