diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8511016f..f60e6810 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,13 +3,14 @@
 ## [Unreleased][unreleased]
 
 - Return index.html not only from the root folder
+- Fix parse broken JSON packets
+- Fix detecting ping packets (empty objects)
+- Fix error logging and passing to client
+- Validation `call` identifier type
 
 ## [2.0.3][] - 2021-09-23
 
 - Remove `toString` in `receiveBody` to be compatible with ws
-- Fix parse broken JSON packets
-- Fix detecting ping packets (empty objects)
-- Fix error logging and passing to client
 
 ## [2.0.2][] - 2021-09-11
 
diff --git a/lib/channel.js b/lib/channel.js
index 36af23da..4f8a7c08 100644
--- a/lib/channel.js
+++ b/lib/channel.js
@@ -102,7 +102,7 @@ class Channel {
       return;
     }
     const [callType, target] = Object.keys(packet);
-    const callId = packet[callType];
+    const callId = parseInt(packet[callType], 10);
     const args = packet[target];
     if (callId && args) {
       const [interfaceName, methodName] = target.split('/');