diff --git a/src/index.js b/src/index.js
index 51acfb9..d0cc37c 100644
--- a/src/index.js
+++ b/src/index.js
@@ -15,9 +15,9 @@ async function run() {
   const node = await libp2pManager.createNode();
   const messageHandler = new MessageHandler(libp2pManager, logger);
   const wsManager = new WebSocketManager(messageHandler, logger, node);
-  const relayAddr = multiaddr(libp2pManager.realayAddress)
-  const feedbackManager = new FeedbackManager(logger, wsManager, messageHandler)
-  libp2pManager.setFeedbackManager(feedbackManager)
+  const relayAddr = multiaddr(libp2pManager.realayAddress);
+  const feedbackManager = new FeedbackManager(logger, wsManager, messageHandler);
+  libp2pManager.setFeedbackManager(feedbackManager);
   wsManager.onConnectionManager();
 
   logger.INFO(`Node started with id ${node.peerId.toString()}`);
diff --git a/src/libp2pManager.js b/src/libp2pManager.js
index 0fd9890..020ef22 100644
--- a/src/libp2pManager.js
+++ b/src/libp2pManager.js
@@ -20,11 +20,11 @@ export class Libp2pManager {
     this.configuration = new ConfigurationManager(logger);
     this.realayAddress = '/dns4/libp2p-relay-1.robonomics.network/tcp/443/wss/p2p/12D3KooWEMFXXvpZUjAuj1eKR11HuzZTCQ5HmYG9MNPtsnqPSERD';
     this.logger = logger;
-    this.feedbackManager = undefined
+    this.feedbackManager = undefined;
   }
 
   setFeedbackManager(feedbackManager) {
-    this.feedbackManager = feedbackManager
+    this.feedbackManager = feedbackManager;
   }
 
   /**
@@ -186,14 +186,14 @@ export class Libp2pManager {
         const response = await this.#request(connection, protocol, data);
         this.logger.INFO(`Sending message to ${connection.remoteAddr.toString()}`);
         this.logger.INFO(response, ' got response from sendMsg');
-        if (!(typeof ws === "undefined")) {
-          this.feedbackManager.sendFeedbackMessage(response, ws)
+        if (!(typeof ws === 'undefined')) {
+          this.feedbackManager.sendFeedbackMessage('ok', ws);
         }
       }
     } catch (error) {
       this.logger.ERROR(error.message, 'sendMsg');
       if (ws) {
-        this.feedbackManager.sendFeedbackMessage(error.message, ws)
+        this.feedbackManager.sendFeedbackMessage(error.message, ws);
       }
     }
   }
diff --git a/src/messageHandler.js b/src/messageHandler.js
index 301526e..0787fb0 100644
--- a/src/messageHandler.js
+++ b/src/messageHandler.js
@@ -127,7 +127,7 @@ export class MessageHandler {
         this.libp2pManager.sendMsg(connection, msg.data, protocol);
       } else {
         this.libp2pManager.connect2NodeViaRelay(node, serverPeerId).then((connection) => {
-          this.libp2pManager.sendMsg(connection, msg.data, protocol, ws)
+          this.libp2pManager.sendMsg(connection, msg.data, protocol, ws);
         }).catch((error) => { this.logger.ERROR(error, "onWSMessage couldn't resolve promise"); });
       }
     } else {
@@ -136,4 +136,4 @@ export class MessageHandler {
       });
     }
   }
-}
\ No newline at end of file
+}