diff --git a/src/main/java/com/hivemq/codec/decoder/MQTTMessageDecoder.java b/src/main/java/com/hivemq/codec/decoder/MQTTMessageDecoder.java
index f4a6c7331..292657849 100644
--- a/src/main/java/com/hivemq/codec/decoder/MQTTMessageDecoder.java
+++ b/src/main/java/com/hivemq/codec/decoder/MQTTMessageDecoder.java
@@ -124,6 +124,7 @@ protected void decode(
 
         final MessageType messageType = getMessageType(fixedHeader);
         final @Nullable Message message;
+
         if (messageType == CONNECT) {
             message = handleConnect(buf, clientConnectionContext, fixedHeader, packetSize, remainingLength);
         } else {
diff --git a/src/test/java/com/hivemq/codec/decoder/MQTTMessageDecoderTest.java b/src/test/java/com/hivemq/codec/decoder/MQTTMessageDecoderTest.java
index e802e891b..1aa8e89f7 100644
--- a/src/test/java/com/hivemq/codec/decoder/MQTTMessageDecoderTest.java
+++ b/src/test/java/com/hivemq/codec/decoder/MQTTMessageDecoderTest.java
@@ -179,7 +179,7 @@ public void test_second_connect_received() {
 
     @Test
     public void test_connect_mqtt5_packet_size_too_large() {
-        final byte[] mqtt5_connect = {
+        final byte[] mqtt5Connect = {
                 // fixed header
                 //   type, reserved
                 0b0001_0000,
@@ -200,12 +200,12 @@ public void test_connect_mqtt5_packet_size_too_large() {
                 //   client identifier
                 0, 4, 't', 'e', 's', 't'};
 
-        test_connect_packet_size_too_large(mqtt5_connect);
+        test_connect_packet_size_too_large(mqtt5Connect);
     }
 
     @Test
     public void test_connect_mqtt3_1_1_packet_size_too_large() {
-        final byte[] mqtt3_1_1_connect = {
+        final byte[] mqtt311Connect = {
                 // fixed header
                 //   type, reserved
                 0b0001_0000,
@@ -226,12 +226,12 @@ public void test_connect_mqtt3_1_1_packet_size_too_large() {
                 //   client identifier
                 0, 4, 't', 'e', 's', 't'};
 
-        test_connect_packet_size_too_large(mqtt3_1_1_connect);
+        test_connect_packet_size_too_large(mqtt311Connect);
     }
 
     @Test
     public void test_connect_mqtt3_1_packet_size_too_large() {
-        final byte[] mqtt3_1_connect = {
+        final byte[] mqtt31Connect = {
                 // fixed header
                 //   type, reserved
                 0b0001_0000,
@@ -252,7 +252,7 @@ public void test_connect_mqtt3_1_packet_size_too_large() {
                 //   client identifier
                 0, 4, 't', 'e', 's', 't'};
 
-        test_connect_packet_size_too_large(mqtt3_1_connect);
+        test_connect_packet_size_too_large(mqtt31Connect);
     }