diff --git a/src/customizations/volto-form-block/components/Field.jsx b/src/customizations/volto-form-block/components/Field.jsx
index aa078a9..81eaebb 100644
--- a/src/customizations/volto-form-block/components/Field.jsx
+++ b/src/customizations/volto-form-block/components/Field.jsx
@@ -54,7 +54,11 @@ const Field = (props) => {
   } = props;
   let { value } = props;
   // A value of `null` is a touched field with no value
-  if (typeof props.default_value === "boolean" && value !== null && value === undefined) {
+  if (
+    Object.hasOwn(props, 'default_value') &&
+    value !== null &&
+    value === undefined
+  ) {
     value = props.default_value;
   }
   const intl = useIntl();