diff --git a/src/libs/routes/courseStudents.js b/src/libs/routes/courseStudents.js
index 82ca6ca771d8bf5d5dbe12cb99600e76b131cab7..4b1aab58ff5c3ab45cc6c96858f377ab4db22ec7 100644
--- a/src/libs/routes/courseStudents.js
+++ b/src/libs/routes/courseStudents.js
@@ -187,6 +187,12 @@ courseStudentsApp.get('/', rqf.parse(), (req, res, next) => {
 }, rqf.build(), (req, res, next) => {
     console.log(req.sql.toString()); 
     next();
-}, query, id2str.transform(), response('course_students'))
+}, query, (req, res, next) => {
+    for (var res of req.result){
+        res.total = null;
+    }
+
+    next();
+}, id2str.transform(), response('course_students'))
 
 module.exports = courseStudentsApp;