diff --git a/bi-queries/controller/pipeline-builder.ts b/bi-queries/controller/pipeline-builder.ts
index 75465d3..a86805d 100644
--- a/bi-queries/controller/pipeline-builder.ts
+++ b/bi-queries/controller/pipeline-builder.ts
@@ -9,7 +9,7 @@ export function createPipeline(queryData: IQuery, params: IParams[]) {
         if (v) {
             if (arg.tipo === 'date') {
                 v.valor = moment(v.valor).toDate();
-            } else if (Types.ObjectId.isValid(v.valor) && new Types.ObjectId(v.valor).toString() === v.valor) {
+            } else if (Types.ObjectId.isValid(v.valor) && new Types.ObjectId(v.valor).toString() === v.valor && (arg.formato !== 'string')) {
                 v.valor = new Types.ObjectId(v.valor);
             }
         }
diff --git a/bi-queries/package.json b/bi-queries/package.json
index 27092b4..c232142 100644
--- a/bi-queries/package.json
+++ b/bi-queries/package.json
@@ -10,7 +10,7 @@
     "tsc:w": "../node_modules/typescript/bin/tsc -w",
     "node": "nodemon -q ./index.js"
   },
-  "author": "Celeste Ramos y Luis Parada",
+  "author": "ANDES",
   "license": "ISC",
   "dependencies": {
     "@andes/bootstrap": "file:../bootstrap",
diff --git a/bi-queries/schemas/query.ts b/bi-queries/schemas/query.ts
index cee47d3..372d6de 100644
--- a/bi-queries/schemas/query.ts
+++ b/bi-queries/schemas/query.ts
@@ -10,6 +10,7 @@ export type IQuery = {
         key: string;
         label: string;
         tipo: string;
+        formato?: string,
         required: boolean;
         subquery: any;
     }[];
@@ -43,6 +44,7 @@ export const QuerySchema = new mongoose.Schema({
         key: String,
         label: String,
         tipo: String,
+        formato: String,
         required: Boolean,
         subquery: mongoose.SchemaTypes.Mixed,