diff --git a/src/utils.js b/src/utils.js
index f08c2d4..2eae32f 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -1037,6 +1037,7 @@ function flatternObjectIds(object) {
 }
 
 function expandObjectIds(input) {
+  const excludedFields = ['createdAt', 'updatedAt', 'name', '_id'];
   // Helper to check if a value is an ObjectId or a 24-char hex string
   function isObjectId(val) {
     // Check for MongoDB ObjectId instance
@@ -1053,8 +1054,8 @@ function expandObjectIds(input) {
     } else if (value && typeof value === 'object' && !(value instanceof mongoose.Types.ObjectId)) {
       var result = {};
       for (const [key, val] of Object.entries(value)) {
-        if (key === '_id') {
-          // Do not expand keys that are already named _id
+        if (excludedFields.includes(key)) {
+          // Do not expand keys that are excluded
           result[key] = val.toString();
         } else if (isObjectId(val)) {
           result[key] = { _id: val };
@@ -1108,6 +1109,7 @@ function getFilter(query, allowedFilters, parse = true) {
       clauses.push(parse ? parseFilter(key, value) : { [key]: value });
     }
   }
+  console.log('clauses', clauses);
   return mergeFilterClauses(clauses);
 }