diff --git a/lib/CustomOpenTherm/CustomOpenTherm.h b/lib/CustomOpenTherm/CustomOpenTherm.h
index 2871eac..389cfe5 100644
--- a/lib/CustomOpenTherm/CustomOpenTherm.h
+++ b/lib/CustomOpenTherm/CustomOpenTherm.h
@@ -112,6 +112,27 @@ public:
     return (byte)id == responseId;
   }
 
+  static uint8_t getResponseMessageTypeId(unsigned long response) {
+    return (response << 1) >> 29;
+  }
+
+  static const char* getResponseMessageTypeString(unsigned long response) {
+    uint8_t msgType = getResponseMessageTypeId(response);
+
+    switch (msgType) {
+      case (uint8_t) OpenThermMessageType::READ_ACK:
+      case (uint8_t) OpenThermMessageType::WRITE_ACK:
+      case (uint8_t) OpenThermMessageType::DATA_INVALID:
+      case (uint8_t) OpenThermMessageType::UNKNOWN_DATA_ID:
+        return CustomOpenTherm::messageTypeToString(
+          static_cast<OpenThermMessageType>(msgType)
+        );
+
+      default:
+        return "UNKNOWN";
+    }
+  }
+
   // converters
   template <class T>
   static unsigned int toFloat(const T val) {
diff --git a/src/OpenThermTask.h b/src/OpenThermTask.h
index 24c994e..f1467c1 100644
--- a/src/OpenThermTask.h
+++ b/src/OpenThermTask.h
@@ -93,8 +93,13 @@ protected:
     this->instance->setAfterSendRequestCallback([this](unsigned long request, unsigned long response, OpenThermResponseStatus status, byte attempt) {
       Log.sverboseln(
         FPSTR(L_OT),
-        F("ID: %4d   Request: %8lx   Response: %8lx   Attempt: %2d   Status: %s"),
-        CustomOpenTherm::getDataID(request), request, response, attempt, CustomOpenTherm::statusToString(status)
+        F("ID: %4d   Request: %8lx   Response: %8lx   Msg type: %s   Attempt: %2d   Status: %s"),
+        CustomOpenTherm::getDataID(request),
+        request,
+        response,
+        CustomOpenTherm::getResponseMessageTypeString(response),
+        attempt,
+        CustomOpenTherm::statusToString(status)
       );
 
       if (status == OpenThermResponseStatus::SUCCESS) {