diff --git a/CryptoExchange.Net/Testing/RestIntegrationTest.cs b/CryptoExchange.Net/Testing/RestIntegrationTest.cs
index 01096c3e..2f966bb5 100644
--- a/CryptoExchange.Net/Testing/RestIntegrationTest.cs
+++ b/CryptoExchange.Net/Testing/RestIntegrationTest.cs
@@ -142,7 +142,7 @@ namespace CryptoExchange.Net.Testing
                     var issues = SystemTextJsonComparer.CompareData(expressionBody.Method.Name, data, originalData, compareNestedProperty, ignoreProperties, useSingleArrayItem ?? false);
                     foreach(var issue in issues)
                     {
-                        if (issue is MissingPropertyException)
+                        if (issue is MissingPropertyException && !warnings?.Any(x => x.Message == issue.Message) == true)
                             warnings?.Add(issue);
                         else
                             errors.Add(issue);