diff --git a/Vonage.Test/NccoTests.cs b/Vonage.Test/NccoTests.cs
index efbf0741..c17ec2d9 100644
--- a/Vonage.Test/NccoTests.cs
+++ b/Vonage.Test/NccoTests.cs
@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using FluentAssertions;
 using Newtonsoft.Json;
 using Vonage.Serialization;
 using Vonage.Voice;
@@ -22,7 +23,7 @@ public void TestAppEndpoint()
         Assert.Equal(expectedJson,
             JsonConvert.SerializeObject(endpoint, VonageSerialization.SerializerSettings));
     }
-
+    
     [Fact]
     public void TestConnect()
     {
@@ -55,7 +56,7 @@ public void TestConnect()
         var actualJson = ncco.ToString();
         Assert.Equal(expectedJson, actualJson);
     }
-
+    
     [Fact]
     public void TestConnectWithAdvancedMachineDetection()
     {
@@ -88,7 +89,7 @@ public void TestConnectWithAdvancedMachineDetection()
         };
         Assert.Equal(this.GetRequestJson(), new Ncco(connectAction).ToString());
     }
-
+    
     [Fact]
     public void TestConversation()
     {
@@ -107,7 +108,7 @@ public void TestConversation()
         var actualJson = ncco.ToString();
         Assert.Equal(expectedJson, actualJson);
     }
-
+    
     [Fact]
     public void TestConversationAllTrue()
     {
@@ -126,7 +127,11 @@ public void TestConversationAllTrue()
         var actualJson = ncco.ToString();
         Assert.Equal(expectedJson, actualJson);
     }
-
+    
+    [Fact]
+    public void ConversationAction_StartOnEnter_ShouldBeTrue_GivenDefault() =>
+        new ConversationAction().StartOnEnter.Should().BeTrue();
+    
     [Fact]
     public void TestNotify()
     {
@@ -144,7 +149,7 @@ public void TestNotify()
         var actualJson = ncco.ToString();
         Assert.Equal(expectedJson, actualJson);
     }
-
+    
     [Theory]
     [InlineData(RecordAction.AudioFormat.Mp3)]
     [InlineData(RecordAction.AudioFormat.Wav)]
@@ -170,7 +175,7 @@ public void TestRecord(RecordAction.AudioFormat audioFormat)
         var actualJson = ncco.ToString();
         Assert.Equal(expectedJson, actualJson);
     }
-
+    
     [Fact]
     public void TestRecordMinimalist()
     {
@@ -180,7 +185,7 @@ public void TestRecordMinimalist()
         var actualJson = ncco.ToString();
         Assert.Equal(expectedJson, actualJson);
     }
-
+    
     [Fact]
     public void TestSipEndpoint()
     {
@@ -193,7 +198,7 @@ public void TestSipEndpoint()
         Assert.Equal(expectedJson,
             JsonConvert.SerializeObject(endpoint, VonageSerialization.SerializerSettings));
     }
-
+    
     [Fact]
     public void TestStream()
     {
@@ -209,7 +214,7 @@ public void TestStream()
         var actualJson = ncco.ToString();
         Assert.Equal(expectedJson, actualJson);
     }
-
+    
     [Fact]
     public void TestTalk()
     {
@@ -227,7 +232,7 @@ public void TestTalk()
         var actualJson = ncco.ToString();
         Assert.Equal(expectedJson, actualJson);
     }
-
+    
     [Fact]
     public void TestTalkBareBones()
     {
@@ -240,7 +245,7 @@ public void TestTalkBareBones()
         var actualJson = ncco.ToString();
         Assert.Equal(expectedJson, actualJson);
     }
-
+    
     [Fact]
     public void TestVbcEndpoint()
     {
@@ -252,7 +257,7 @@ public void TestVbcEndpoint()
         Assert.Equal(expectedJson,
             JsonConvert.SerializeObject(endpoint, VonageSerialization.SerializerSettings));
     }
-
+    
     [Fact]
     public void TestWebsocketEndpoint()
     {
@@ -266,7 +271,7 @@ public void TestWebsocketEndpoint()
         Assert.Equal(expectedJson,
             JsonConvert.SerializeObject(endpoint, VonageSerialization.SerializerSettings));
     }
-
+    
     private class TestClass
     {
         public string Bar { get; set; }
diff --git a/Vonage/Voice/Nccos/ConversationAction.cs b/Vonage/Voice/Nccos/ConversationAction.cs
index eb9373e7..34c92e22 100644
--- a/Vonage/Voice/Nccos/ConversationAction.cs
+++ b/Vonage/Voice/Nccos/ConversationAction.cs
@@ -71,5 +71,5 @@ public class ConversationAction : NccoAction
     ///     joins conversation name. Set to false for attendees in a moderated conversation.
     /// </summary>
     [JsonProperty("startOnEnter", DefaultValueHandling = DefaultValueHandling.Include, Order = 3)]
-    public bool StartOnEnter { get; set; }
+    public bool StartOnEnter { get; set; } = true;
 }
\ No newline at end of file