diff --git a/server.js b/server.js
index e5391fc..de309ff 100644
--- a/server.js
+++ b/server.js
@@ -168,6 +168,7 @@ app.post('/csv', (req, res, next) => {
                     
 
                 });
+                fs.close();
                 if(_res === ""){
                     fs.appendFile(path, csv, function (err) {
                         if (err) throw err;