diff --git a/dataset.go b/dataset.go
index cd3b9ec..61a05d4 100644
--- a/dataset.go
+++ b/dataset.go
@@ -197,7 +197,7 @@ func UnmarshalModel[T any](ds *DataSet, m *T) error {
 		}
 		fieldVal := ds.GetByName(gormFieldName)
 		if gormIsJson {
-			q5.DecodeJson(fieldVal, mVal.Field(i))
+			q5.DecodeJson(fieldVal, mVal.Field(i).Addr().Interface())
 		} else {
 			switch field.Type.Kind() {
 			case reflect.Bool: