diff --git a/index.mjs b/index.mjs
index e5da0da..6a28112 100644
--- a/index.mjs
+++ b/index.mjs
@@ -7,20 +7,21 @@ const authorizer = new Authorizer({
   redirectURL: 'https://testing.discours.io',
 });
 
-const startServer = async () => {
-  const server = await Server.configure({
-    port: process.env.PORT || 4000,
-    async onConnect({ connection }) {
-      connection.requiresAuthentication = true;
-    },
-    async onAuthenticate(data) {
-      if (data.requestHeaders) {
-        const params = {
-          token_type: 'access_token',
-          token: data.requestHeaders['authorization'] || '',
-        };
-        if (params.token) {
-          const response = await authorizer.validateJWTToken(params);
+const server = Server.configure({
+  port: process.env.PORT || 4000,
+  onConnect({ connection }) {
+    connection.requiresAuthentication = true;
+  },
+  onAuthenticate(data) {
+    if (data.requestHeaders) {
+      const params = {
+        token_type: 'access_token',
+        token: data.requestHeaders['authorization'] || '',
+      };
+      if (params.token) {
+        authorizer.validateJWTToken(params)
+          .then(response => {
+
           if (response?.data?.is_valid) {
             const { sub: user, allowed_roles: roles } = response.data.claims;
             console.debug(`user_id: ${user} roles: ${roles}`);
@@ -29,14 +30,14 @@ const startServer = async () => {
               roles,
             };
           }
+        }).catch((e) => {
+          console.error(e)
           console.error('no valid auth token presented');
           throw new Error('Not authorized!');
-        }
+        })
       }
-    },
-  }).listen();
+    }
+  },
+});
 
-  server.listen();
-};
-
-startServer();
+server.listen();