diff --git a/src/main/java/com/vonage/client/voice/TalkPayload.java b/src/main/java/com/vonage/client/voice/TalkPayload.java
index 17f9eb0d2..c0beff9a8 100644
--- a/src/main/java/com/vonage/client/voice/TalkPayload.java
+++ b/src/main/java/com/vonage/client/voice/TalkPayload.java
@@ -32,14 +32,16 @@
  * {@code style}: The Vocal Style to use (vocal Range, tessitura, timbre to use in the TTS
  */
 
-@JsonInclude(JsonInclude.Include.NON_NULL)
 public class TalkPayload {
     private String text;
     private int loop;
     private TextToSpeechLanguage language;
-    private int style;
+
+    @JsonInclude(JsonInclude.Include.NON_NULL)
+    private Integer style = null;
 
     @Deprecated
+    @JsonInclude(JsonInclude.Include.NON_NULL)
     private VoiceName voiceName;
 
     @Deprecated
@@ -70,14 +72,17 @@ public String getText() {
         return text;
     }
 
-    @JsonProperty(value = "voice_name",defaultValue = "")
+    @JsonProperty(value = "voice_name")
+    @JsonInclude(JsonInclude.Include.NON_NULL)
     public VoiceName getVoiceName() {
         return voiceName;
     }
 
+    @JsonInclude(JsonInclude.Include.NON_NULL)
     public TextToSpeechLanguage getLanguage() { return language; }
 
-    public int getStyle() { return style; }
+    @JsonInclude(JsonInclude.Include.NON_NULL)
+    public Integer getStyle() { return style; }
 
     public String toJson() {
         try {
diff --git a/src/test/java/com/vonage/client/voice/TalkPayloadTest.java b/src/test/java/com/vonage/client/voice/TalkPayloadTest.java
index b5731feac..7775ce044 100644
--- a/src/test/java/com/vonage/client/voice/TalkPayloadTest.java
+++ b/src/test/java/com/vonage/client/voice/TalkPayloadTest.java
@@ -31,7 +31,7 @@ public void getLanguage() throws Exception {
 
     @Test
     public void getStyle() throws Exception{
-        assertEquals(2,payload.getStyle());
+        assertEquals(new Integer(2),payload.getStyle());
     }
 
     @Test