diff --git a/src/Api/KeyManagement/Models/Response/PrivateKeysResponseModel.cs b/src/Api/KeyManagement/Models/Response/PrivateKeysResponseModel.cs
index 667231c459..57e5d20f39 100644
--- a/src/Api/KeyManagement/Models/Response/PrivateKeysResponseModel.cs
+++ b/src/Api/KeyManagement/Models/Response/PrivateKeysResponseModel.cs
@@ -18,10 +18,7 @@ public class PrivateKeysResponseModel : ResponseModel
     public PrivateKeysResponseModel(UserAccountKeysData accountKeys) : base("privateKeys")
     {
         PublicKeyEncryptionKeyPair = new PublicKeyEncryptionKeyPairModel(accountKeys.PublicKeyEncryptionKeyPairData);
-        if (accountKeys == null)
-        {
-            throw new ArgumentNullException(nameof(accountKeys));
-        }
+       ArgumentNullException.ThrowIfNull(accountKeys);
 
         if (accountKeys.SignatureKeyPairData != null)
         {