diff --git a/src/libs/routes/classroom.js b/src/libs/routes/classroom.js
index 538ca7b066b3ef08d6ef3e53508d6e234341c3b9..8e2b6a7ef4a826386e0ef04d431a4f0396b18eb0 100644
--- a/src/libs/routes/classroom.js
+++ b/src/libs/routes/classroom.js
@@ -244,7 +244,7 @@ rqf.addField({
 
 classroomApp.get('/', cache('15 day'), rqf.parse(), rqf.build(), (req, res, next) => {
     req.sql.from('escola')
-        .field('SUM(escola.num_salas)', 'total')
+        .field('SUM(escola.qtde_salas_utilizadas_dentro)', 'total')
         .field("'Brasil'", 'name')
         .field('escola.ano_censo', 'year')
         .group('escola.ano_censo')