npgsql
diff --git a/Collapse file
‎src/Npgsql/Internal/Converters/ObjectConverter.cs‎
Copy file name to clipboardExpand all lines: src/Npgsql/Internal/Converters/ObjectConverter.cs
+2-2Lines changed: 2 additions & 2 deletions b/Collapse file
‎src/Npgsql/Internal/Converters/ObjectConverter.cs‎
Copy file name to clipboardExpand all lines: src/Npgsql/Internal/Converters/ObjectConverter.cs
+2-2Lines changed: 2 additions & 2 deletions
@@ -38,7 +38,7 @@ public override Size GetSize(SizeContext context, object value, ref object? writ
         // We can call GetDefaultResolution here as validation has already happened in IsDbNullValue.
         // And we know it was called due to the writeState being filled.
         var converter = typeInfo is PgResolverTypeInfo resolverTypeInfo
-            ? resolverTypeInfo.GetDefaultResolution(null).Converter
+            ? resolverTypeInfo.GetDefaultResolution(pgTypeId).Converter
             : typeInfo.GetResolution().Converter;
         if (typeInfo.GetBufferRequirements(converter, context.Format) is not { } bufferRequirements)
         {
@@ -80,7 +80,7 @@ async ValueTask Write(bool async, PgWriter writer, object value, CancellationTok
         // We can call GetDefaultResolution here as validation has already happened in IsDbNullValue.
         // And we know it was called due to the writeState being filled.
         var converter = typeInfo is PgResolverTypeInfo resolverTypeInfo
-            ? resolverTypeInfo.GetDefaultResolution(null).Converter
+            ? resolverTypeInfo.GetDefaultResolution(pgTypeId).Converter
             : typeInfo.GetResolution().Converter;
         var writeRequirement = typeInfo.GetBufferRequirements(converter, DataFormat.Binary)!.Value.Write;
         using var _ = await writer.BeginNestedWrite(async, writeRequirement, writer.Current.Size.Value, effectiveState, cancellationToken).ConfigureAwait(false);