diff --git a/src/AutoGuru.HotChocolate.PolymorphicIds.Tests/IdAttributeTests.PolyId_On_Objects_isEnabled=True.verified.txt b/src/AutoGuru.HotChocolate.PolymorphicIds.Tests/IdAttributeTests.PolyId_On_Objects_isEnabled=True.verified.txt
index a14a41a..0fcc92b 100644
--- a/src/AutoGuru.HotChocolate.PolymorphicIds.Tests/IdAttributeTests.PolyId_On_Objects_isEnabled=True.verified.txt
+++ b/src/AutoGuru.HotChocolate.PolymorphicIds.Tests/IdAttributeTests.PolyId_On_Objects_isEnabled=True.verified.txt
@@ -10,7 +10,7 @@
         "QmFyCmkx",
         null
       ],
-      "raw": "SomeId: 1, SomeIds: [1], SomeNullableId: 1, SomeNullableIds: [1, ]"
+      "raw": "SomeId: 1, SomeIds: [1], SomeNullableId: 1, SomeNullableIds: [1, null]"
     }
   }
 }
\ No newline at end of file
diff --git a/src/AutoGuru.HotChocolate.PolymorphicIds.Tests/IdAttributeTests.cs b/src/AutoGuru.HotChocolate.PolymorphicIds.Tests/IdAttributeTests.cs
index cb97aa9..2435b89 100644
--- a/src/AutoGuru.HotChocolate.PolymorphicIds.Tests/IdAttributeTests.cs
+++ b/src/AutoGuru.HotChocolate.PolymorphicIds.Tests/IdAttributeTests.cs
@@ -571,8 +571,8 @@ public FooPayload(
             public string Raw =>
                 $"{nameof(SomeId)}: {SomeId}, " +
                 $"{nameof(SomeIds)}: [{string.Join(", ", SomeIds)}], " +
-                $"{nameof(SomeNullableId)}: {SomeNullableId}, " +
-                $"{nameof(SomeNullableIds)}: [{string.Join(", ", SomeNullableIds ?? Array.Empty<int?>())}]";
+                $"{nameof(SomeNullableId)}: {SomeNullableId ?? "null"}, " +
+                $"{nameof(SomeNullableIds)}: {(SomeNullableIds == null ? "null" : "[" + string.Join(", ", SomeNullableIds.Select(x => x?.ToString() ?? "null").ToArray()) + "]")}";
         }
 
         public interface IFooPayload