diff --git a/src/helpers/dynamicQueryBuilder.ts b/src/helpers/dynamicQueryBuilder.ts
index 79930fd..a97e7a2 100644
--- a/src/helpers/dynamicQueryBuilder.ts
+++ b/src/helpers/dynamicQueryBuilder.ts
@@ -263,7 +263,7 @@ export default abstract class DynamicQueryBuilder {
           results = tempResults;
         } else {
           results.forEach((res) => {
-            res[newKey] = String(value);
+            if (String(value) != "undefined") res[newKey] = String(value);
           });
         }
       }