diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6dcbe6a513950e32b1e3c53691a4c9712136806b..18b73b14ffe16a60acf7f0db4a87e1088d338729 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/).
 
+## 1.3.2 - 2018-06-20
+### Changed
+- Fixed math error in classroom count at total classroom needed expression
+
 ## 1.3.1 - 2018-06-19
 ### Changed
 - Fixed bug with Federal District and missing cities in classroom count
diff --git a/src/libs/routes/classroomCount.js b/src/libs/routes/classroomCount.js
index 3b519e335642a1a7461024acd540c052a07f3542..e3144507debb9c080a9893304bd50fd05eb68aa0 100644
--- a/src/libs/routes/classroomCount.js
+++ b/src/libs/routes/classroomCount.js
@@ -391,10 +391,12 @@ classroomCountApp.post('/', rqf.parse(), (req, res, next) => {
             educationLevel.enrollment.night_classes = Math.ceil((educationLevel.enrollment.total_enrollment_night / enrollmentEducationLevel.numberStudentClass));
 
             // Total de salas
-            educationLevel.enrollment.total_classrooms_needed = (educationLevel.enrollment.full_period_classes + educationLevel.enrollment.day_classes);
+            educationLevel.enrollment.total_classrooms_needed = (educationLevel.enrollment.full_period_classes + educationLevel.enrollment.day_classes/2);
 
             if(educationLevel.enrollment.night_classes > educationLevel.enrollment.day_classes) educationLevel.enrollment.total_classrooms_needed += (educationLevel.enrollment.night_classes - educationLevel.enrollment.day_classes);
 
+            educationLevel.enrollment.total_classrooms_needed = Math.ceil(educationLevel.enrollment.total_classrooms_needed);
+
             enrollment = enrollments[j];
         }