diff --git a/src/Umbraco.Infrastructure/PropertyEditors/ValueConverters/MultiUrlPickerValueConverter.cs b/src/Umbraco.Infrastructure/PropertyEditors/ValueConverters/MultiUrlPickerValueConverter.cs
index 18891003bc..dfc64bdad5 100644
--- a/src/Umbraco.Infrastructure/PropertyEditors/ValueConverters/MultiUrlPickerValueConverter.cs
+++ b/src/Umbraco.Infrastructure/PropertyEditors/ValueConverters/MultiUrlPickerValueConverter.cs
@@ -17,6 +17,7 @@ using Umbraco.Extensions;
 
 namespace Umbraco.Cms.Core.PropertyEditors.ValueConverters;
 
+[DefaultPropertyValueConverter(typeof(JsonValueConverter))]
 public class MultiUrlPickerValueConverter : PropertyValueConverterBase, IDeliveryApiPropertyValueConverter
 {
     private readonly IJsonSerializer _jsonSerializer;