diff --git a/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageRecognizerLoopRecordBegin.java b/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageRecognizerLoopRecordBegin.java
index 44386f267b35f..a1cadc4dddecf 100644
--- a/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageRecognizerLoopRecordBegin.java
+++ b/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageRecognizerLoopRecordBegin.java
@@ -14,6 +14,8 @@
 
 import org.openhab.binding.mycroft.internal.api.MessageType;
 
+import com.google.gson.annotations.SerializedName;
+
 /**
  * This message informs the bus clients that Mycroft
  * is actively listening and trying to do STT.
@@ -29,7 +31,8 @@ public MessageRecognizerLoopRecordBegin() {
     }
 
     public static class Context {
-        public String client_name = "";
+        @SerializedName("client_name")
+        public String clientName = "";
         public String source = "";
         public String destination = "";
     }
diff --git a/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageRecognizerLoopRecordEnd.java b/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageRecognizerLoopRecordEnd.java
index c6998b8dae429..3da0b2aefa462 100644
--- a/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageRecognizerLoopRecordEnd.java
+++ b/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageRecognizerLoopRecordEnd.java
@@ -14,6 +14,8 @@
 
 import org.openhab.binding.mycroft.internal.api.MessageType;
 
+import com.google.gson.annotations.SerializedName;
+
 /**
  * This message informs the bus clients that Mycroft
  * finished listening to the mic.
@@ -29,7 +31,8 @@ public MessageRecognizerLoopRecordEnd() {
     }
 
     public static class Context {
-        public String client_name = "";
+        @SerializedName("client_name")
+        public String clientName = "";
         public String source = "";
         public String destination = "";
     }
diff --git a/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageRecognizerLoopUtterance.java b/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageRecognizerLoopUtterance.java
index b6d6ab4939db7..243e7c59f0f39 100644
--- a/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageRecognizerLoopUtterance.java
+++ b/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageRecognizerLoopUtterance.java
@@ -17,6 +17,8 @@
 
 import org.openhab.binding.mycroft.internal.api.MessageType;
 
+import com.google.gson.annotations.SerializedName;
+
 /**
  * This message is sent to the skills
  * module to trigger an intent from a text.
@@ -36,7 +38,7 @@ public MessageRecognizerLoopUtterance() {
     public MessageRecognizerLoopUtterance(String utterance) {
         this();
         this.data.utterances.add(utterance);
-        this.context.client_name = "java_api";
+        this.context.clientName = "java_api";
         this.context.source = "audio";
         this.context.destination.add("skills");
     }
@@ -46,7 +48,8 @@ public static class Data {
     }
 
     public static class Context {
-        public String client_name = "";
+        @SerializedName("client_name")
+        public String clientName = "";
         public String source = "";
         public List<String> destination = new ArrayList<>();
     }
diff --git a/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageSpeak.java b/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageSpeak.java
index b2ceb9bcfe9e0..c6335ccf578cc 100644
--- a/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageSpeak.java
+++ b/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageSpeak.java
@@ -17,6 +17,8 @@
 
 import org.openhab.binding.mycroft.internal.api.MessageType;
 
+import com.google.gson.annotations.SerializedName;
+
 /**
  * This message is sent to the Mycroft audio module
  * to trigger a TTS action.
@@ -41,11 +43,13 @@ public MessageSpeak(String textToSay) {
 
     public static class Data {
         public String utterance = "";
-        public String expect_response = "";
+        @SerializedName("expect_response")
+        public String expectResponse = "";
     };
 
     public static class Context {
-        public String client_name = "";
+        @SerializedName("client_name")
+        public String clientName = "";
         public List<String> source = new ArrayList<>();
         public String destination = "";
     }
diff --git a/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageVolumeDecrease.java b/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageVolumeDecrease.java
index 2f1e2c8946752..e46fedb1b01d1 100644
--- a/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageVolumeDecrease.java
+++ b/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageVolumeDecrease.java
@@ -14,6 +14,8 @@
 
 import org.openhab.binding.mycroft.internal.api.MessageType;
 
+import com.google.gson.annotations.SerializedName;
+
 /**
  * This message asks Mycroft to decrease the volume by 10%
  *
@@ -28,6 +30,7 @@ public MessageVolumeDecrease() {
     }
 
     public static class Data {
-        public Boolean play_sound = true;
+        @SerializedName("play_sound")
+        public Boolean playSound = true;
     }
 }
diff --git a/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageVolumeIncrease.java b/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageVolumeIncrease.java
index bd95c180caa7a..5b38d7852aa46 100644
--- a/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageVolumeIncrease.java
+++ b/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageVolumeIncrease.java
@@ -14,6 +14,8 @@
 
 import org.openhab.binding.mycroft.internal.api.MessageType;
 
+import com.google.gson.annotations.SerializedName;
+
 /**
  * This message asks Mycroft to increase the volume by 10%
  *
@@ -28,6 +30,7 @@ public MessageVolumeIncrease() {
     }
 
     public static class Data {
-        public Boolean play_sound = true;
+        @SerializedName("play_sound")
+        public Boolean playSound = true;
     }
 }
diff --git a/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageVolumeMute.java b/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageVolumeMute.java
index 4c2ab434af01c..7013f85346943 100644
--- a/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageVolumeMute.java
+++ b/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageVolumeMute.java
@@ -14,6 +14,8 @@
 
 import org.openhab.binding.mycroft.internal.api.MessageType;
 
+import com.google.gson.annotations.SerializedName;
+
 /**
  * This message asks Mycroft to mute the volume
  *
@@ -28,6 +30,7 @@ public MessageVolumeMute() {
     }
 
     public static class Data {
-        public Boolean speak_message = false;
+        @SerializedName("speak_messsage")
+        public Boolean speakMesssage = false;
     }
 }
diff --git a/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageVolumeUnmute.java b/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageVolumeUnmute.java
index 91602e87256d2..7334cc6c9a7b4 100644
--- a/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageVolumeUnmute.java
+++ b/bundles/org.openhab.binding.mycroft/src/main/java/org/openhab/binding/mycroft/internal/api/dto/MessageVolumeUnmute.java
@@ -14,6 +14,8 @@
 
 import org.openhab.binding.mycroft.internal.api.MessageType;
 
+import com.google.gson.annotations.SerializedName;
+
 /**
  * This message asks Mycroft to unmute the volume
  *
@@ -28,6 +30,7 @@ public MessageVolumeUnmute() {
     }
 
     public static class Data {
-        public Boolean speak_message = false;
+        @SerializedName("speak_messsage")
+        public Boolean speakMessage = false;
     }
 }