diff --git a/CHANGELOG.md b/CHANGELOG.md
index 97fb7ab03ec45122ed9f65e3b562488ae4b33d38..9b263b2b43cf4c8fc328875bb1beae5e9633f0f0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## 1.8.1 - 2018-11-13
+### Changed
+- Fixed bug in id2str with inexistent convert function
+
 ## 1.8.0 - 2018-11-13
 ### Added
 - Add financial route
@@ -23,7 +27,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Remove filters in transport route
 
 ## 1.6.1 - 2018-08-23
-# Changed
+### Changed
 - Fix return json name in transport route
 
 ## 1.6.0 - 2018-08-17
diff --git a/src/libs/middlewares/id2str.js b/src/libs/middlewares/id2str.js
index 30bf81229a8933029900ada49c50df2ab6e5c7a6..1fa084f717431dc83a1ce28b40b79995e5720843 100644
--- a/src/libs/middlewares/id2str.js
+++ b/src/libs/middlewares/id2str.js
@@ -31,7 +31,7 @@ const useTransportPublic = require(`${libs}/convert/booleanVariable`);
 const transportationManager = require(`${libs}/convert/transportationManager`);
 const specialClass = require(`${libs}/convert/booleanVariable`);
 const integralTime = require(`${libs}/convert/integralTime`);
-const educationLevelSchoolYear = require(`${libs}/convert/educationLevelSchoolYear`);
+// const educationLevelSchoolYear = require(`${libs}/convert/educationLevelSchoolYear`);
 
 const ids = {
     gender_id: gender,
@@ -74,7 +74,7 @@ const ids = {
     use_transport_public_id: useTransportPublic,
     transportation_manager_id: transportationManager,
     special_class_id: specialClass,
-    education_level_school_year_id: educationLevelSchoolYear,
+    // education_level_school_year_id: educationLevelSchoolYear,
 };
 
 function transform(removeId=false) {