diff --git a/src/HotChocolate/Core/src/Types/Types/Relay/Serialization/OptimizedNodeIdSerializer.cs b/src/HotChocolate/Core/src/Types/Types/Relay/Serialization/OptimizedNodeIdSerializer.cs
index 6eb58166633..eebfe2e64d5 100644
--- a/src/HotChocolate/Core/src/Types/Types/Relay/Serialization/OptimizedNodeIdSerializer.cs
+++ b/src/HotChocolate/Core/src/Types/Types/Relay/Serialization/OptimizedNodeIdSerializer.cs
@@ -41,12 +41,12 @@ internal OptimizedNodeIdSerializer(
         _stringSerializerMap =
             boundSerializers.ToFrozenDictionary(
                 t => t.TypeName,
-                t => new Serializer(t.TypeName, t.Serializer, outputNewIdFormat, _urlSafeBase64));
+                t => new Serializer(t.TypeName, t.Serializer, outputNewIdFormat, urlSafeBase64));
 #else
         _stringSerializerMap =
             boundSerializers.ToDictionary(
                 t => t.TypeName,
-                t => new Serializer(t.TypeName, t.Serializer, outputNewIdFormat, _urlSafeBase64));
+                t => new Serializer(t.TypeName, t.Serializer, outputNewIdFormat, urlSafeBase64));
 #endif
         _serializers = allSerializers;
         _spanSerializerMap = new SpanSerializerMap();