diff --git a/netty-mqtt/src/main/java/org/thingsboard/mqtt/MqttChannelHandler.java b/netty-mqtt/src/main/java/org/thingsboard/mqtt/MqttChannelHandler.java
index 1525510814..63e1ac3e63 100644
--- a/netty-mqtt/src/main/java/org/thingsboard/mqtt/MqttChannelHandler.java
+++ b/netty-mqtt/src/main/java/org/thingsboard/mqtt/MqttChannelHandler.java
@@ -185,21 +185,21 @@ final class MqttChannelHandler extends SimpleChannelInboundHandler<MqttMessage>
 
             case AT_LEAST_ONCE:
                 invokeHandlersForIncomingPublish(message);
-                if (message.variableHeader().messageId() != -1) {
+                if (message.variableHeader().packetId() != -1) {
                     MqttFixedHeader fixedHeader = new MqttFixedHeader(MqttMessageType.PUBACK, false, MqttQoS.AT_MOST_ONCE, false, 0);
-                    MqttMessageIdVariableHeader variableHeader = MqttMessageIdVariableHeader.from(message.variableHeader().messageId());
+                    MqttMessageIdVariableHeader variableHeader = MqttMessageIdVariableHeader.from(message.variableHeader().packetId());
                     channel.writeAndFlush(new MqttPubAckMessage(fixedHeader, variableHeader));
                 }
                 break;
 
             case EXACTLY_ONCE:
-                if (message.variableHeader().messageId() != -1) {
+                if (message.variableHeader().packetId() != -1) {
                     MqttFixedHeader fixedHeader = new MqttFixedHeader(MqttMessageType.PUBREC, false, MqttQoS.AT_MOST_ONCE, false, 0);
-                    MqttMessageIdVariableHeader variableHeader = MqttMessageIdVariableHeader.from(message.variableHeader().messageId());
+                    MqttMessageIdVariableHeader variableHeader = MqttMessageIdVariableHeader.from(message.variableHeader().packetId());
                     MqttMessage pubrecMessage = new MqttMessage(fixedHeader, variableHeader);
 
                     MqttIncomingQos2Publish incomingQos2Publish = new MqttIncomingQos2Publish(message, pubrecMessage);
-                    this.client.getQos2PendingIncomingPublishes().put(message.variableHeader().messageId(), incomingQos2Publish);
+                    this.client.getQos2PendingIncomingPublishes().put(message.variableHeader().packetId(), incomingQos2Publish);
                     message.payload().retain();
                     incomingQos2Publish.startPubrecRetransmitTimer(this.client.getEventLoop().next(), this.client::sendAndFlushPacket);
 
@@ -249,7 +249,7 @@ final class MqttChannelHandler extends SimpleChannelInboundHandler<MqttMessage>
             MqttIncomingQos2Publish incomingQos2Publish = this.client.getQos2PendingIncomingPublishes().get(((MqttMessageIdVariableHeader) message.variableHeader()).messageId());
             this.invokeHandlersForIncomingPublish(incomingQos2Publish.getIncomingPublish());
             incomingQos2Publish.onPubrelReceived();
-            this.client.getQos2PendingIncomingPublishes().remove(incomingQos2Publish.getIncomingPublish().variableHeader().messageId());
+            this.client.getQos2PendingIncomingPublishes().remove(incomingQos2Publish.getIncomingPublish().variableHeader().packetId());
         }
         MqttFixedHeader fixedHeader = new MqttFixedHeader(MqttMessageType.PUBCOMP, false, MqttQoS.AT_MOST_ONCE, false, 0);
         MqttMessageIdVariableHeader variableHeader = MqttMessageIdVariableHeader.from(((MqttMessageIdVariableHeader) message.variableHeader()).messageId());
diff --git a/netty-mqtt/src/main/java/org/thingsboard/mqtt/MqttClientImpl.java b/netty-mqtt/src/main/java/org/thingsboard/mqtt/MqttClientImpl.java
index da497e2d70..85b3abeeee 100644
--- a/netty-mqtt/src/main/java/org/thingsboard/mqtt/MqttClientImpl.java
+++ b/netty-mqtt/src/main/java/org/thingsboard/mqtt/MqttClientImpl.java
@@ -339,7 +339,7 @@ final class MqttClientImpl implements MqttClient {
         MqttFixedHeader fixedHeader = new MqttFixedHeader(MqttMessageType.PUBLISH, false, qos, retain, 0);
         MqttPublishVariableHeader variableHeader = new MqttPublishVariableHeader(topic, getNewMessageId().messageId());
         MqttPublishMessage message = new MqttPublishMessage(fixedHeader, variableHeader, payload);
-        MqttPendingPublish pendingPublish = new MqttPendingPublish(variableHeader.messageId(), future, payload.retain(), message, qos);
+        MqttPendingPublish pendingPublish = new MqttPendingPublish(variableHeader.packetId(), future, payload.retain(), message, qos);
         ChannelFuture channelFuture = this.sendAndFlushPacket(message);
 
         if (channelFuture != null) {