diff --git a/src/libs/middlewares/query.js b/src/libs/middlewares/query.js
index fb53c561f6a52f050e3d45ded6f1f6974168346f..6b91fc8f2e86be81f212d4148023f6673c1b6323 100644
--- a/src/libs/middlewares/query.js
+++ b/src/libs/middlewares/query.js
@@ -1,9 +1,9 @@
-const libs = process.cwd() + '/libs/';
-const log = require(libs + 'log')(module);
-const execQuery = require(libs + 'db/query_exec');
+const libs = `${process.cwd()}/libs`;
+const log = require(`${libs}/log`)(module);
+const execQuery = require(`${libs}/db/query_exec`);
 
 function query(req, res, next) {
-    log.debug(req.query)
+    log.debug(req.query);
     execQuery(req.query.text, req.query.values).then((result) => {
         log.debug(result);
         req.result = result;