diff --git a/BlazorWasmDemo/Server/Controllers/UserController.cs b/BlazorWasmDemo/Server/Controllers/UserController.cs
index e34d91b7..8a12c04d 100644
--- a/BlazorWasmDemo/Server/Controllers/UserController.cs
+++ b/BlazorWasmDemo/Server/Controllers/UserController.cs
@@ -173,7 +173,7 @@ public async Task<string> CreateCredentialAsync([FromRoute] string username, [Fr
                 IsBackupEligible = result.Result.IsBackupEligible,
                 IsBackedUp = result.Result.IsBackedUp,
                 AttestationObject = result.Result.AttestationObject,
-                AttestationClientDataJSON = result.Result.AttestationClientDataJson,
+                AttestationClientDataJson = result.Result.AttestationClientDataJson,
             });
 
             // 5. Now we need to remove the options from the pending dictionary
diff --git a/Demo/Controller.cs b/Demo/Controller.cs
index f4ee83ca..50b9389f 100644
--- a/Demo/Controller.cs
+++ b/Demo/Controller.cs
@@ -131,7 +131,7 @@ public async Task<JsonResult> MakeCredential([FromBody] AuthenticatorAttestation
                 IsBackupEligible = success.Result.IsBackupEligible,
                 IsBackedUp = success.Result.IsBackedUp,
                 AttestationObject = success.Result.AttestationObject,
-                AttestationClientDataJSON = success.Result.AttestationClientDataJson,
+                AttestationClientDataJson = success.Result.AttestationClientDataJson,
                 DevicePublicKeys = new List<byte[]>() { success.Result.DevicePublicKey }
             });
 
diff --git a/Demo/wwwroot/js/custom.register.js b/Demo/wwwroot/js/custom.register.js
index c46586d8..326e5fe6 100644
--- a/Demo/wwwroot/js/custom.register.js
+++ b/Demo/wwwroot/js/custom.register.js
@@ -125,7 +125,7 @@ async function registerNewCredential(newCredential) {
         extensions: newCredential.getClientExtensionResults(),
         response: {
             AttestationObject: coerceToBase64Url(attestationObject),
-            clientDataJson: coerceToBase64Url(clientDataJSON),
+            clientDataJSON: coerceToBase64Url(clientDataJSON),
             transports: newCredential.response.getTransports(),
         },
     };
diff --git a/Src/Fido2.Development/StoredCredential.cs b/Src/Fido2.Development/StoredCredential.cs
index ec9b2eaf..42306cee 100644
--- a/Src/Fido2.Development/StoredCredential.cs
+++ b/Src/Fido2.Development/StoredCredential.cs
@@ -46,7 +46,7 @@ public class StoredCredential
     /// The value of the clientDataJSON attribute when the public key credential source was registered. 
     /// Storing this in combination with the above attestationObject item enables the Relying Party to re-verify the attestation signature at a later time.
     /// </summary>
-    public byte[] AttestationClientDataJSON { get; set; }
+    public byte[] AttestationClientDataJson { get; set; }
 
     public List<byte[]> DevicePublicKeys { get; set; }
 
diff --git a/Test/TestFiles/assertionNoneResponse.json b/Test/TestFiles/assertionNoneResponse.json
index eaef9d2c..60355446 100644
--- a/Test/TestFiles/assertionNoneResponse.json
+++ b/Test/TestFiles/assertionNoneResponse.json
@@ -4,7 +4,7 @@
   "type": "public-key",
   "response": {
     "authenticatorData": "SZYN5YgOjGh0NBcPZHZgW4_krrmihjLHmVzzuoMdl2MBAAAANA",
-    "clientDataJson": "eyJjaGFsbGVuZ2UiOiJiTmhCaGk5SklURVF1WU5QbHhvSEhqMGt6TnNWU0xNVk0wSmZnU2NQWmlTN25HRjUxb21HU05MWTYxRkJaODRnRzVuUngwRUwwdEM4VGhybDBBYXpjZyIsIm9yaWdpbiI6Imh0dHBzOi8vbG9jYWxob3N0OjQ0MzI5IiwidHlwZSI6IndlYmF1dGhuLmdldCJ9",
+    "clientDataJSON": "eyJjaGFsbGVuZ2UiOiJiTmhCaGk5SklURVF1WU5QbHhvSEhqMGt6TnNWU0xNVk0wSmZnU2NQWmlTN25HRjUxb21HU05MWTYxRkJaODRnRzVuUngwRUwwdEM4VGhybDBBYXpjZyIsIm9yaWdpbiI6Imh0dHBzOi8vbG9jYWxob3N0OjQ0MzI5IiwidHlwZSI6IndlYmF1dGhuLmdldCJ9",
     "signature": "3046022100f20793dc46905c62fdbc309506b59c7cfa4fafc42dc2e51af4e58f474f64ba78022100c550af5e6516816517ddf83706fab02fe6287c04c8747a0621949456792111b6",
     "userHandle": null
   }