diff --git a/src/database/schemas/management/documenttemplate.schema.js b/src/database/schemas/management/documenttemplate.schema.js
index b3fabe0..4b0c6b9 100644
--- a/src/database/schemas/management/documenttemplate.schema.js
+++ b/src/database/schemas/management/documenttemplate.schema.js
@@ -45,7 +45,8 @@ const documentTemplateSchema = new Schema(
       default: '<Container></Container>',
     },
     testObject: {
-      type: Schema.Types.Mixed,
+      type: Schema.Types.ObjectId,
+      refPath: 'objectType',
       required: false,
     },
   },