diff --git a/src/libs/routes/pibpercapita.js b/src/libs/routes/pibpercapita.js
index 6009db57fc3f5413ece1cb2aca27347ed5e8ce44..aff7a7dfafb757815e4636c042d6b7e7bf8a8761 100644
--- a/src/libs/routes/pibpercapita.js
+++ b/src/libs/routes/pibpercapita.js
@@ -27,7 +27,7 @@ pibpercapitaApp.get('/year_range', (req, res, next) => {
 
 pibpercapitaApp.get('/years', (req, res, next) => {
     req.sql.from('ibge_pib').
-    field('DISTINCT ibge_pib.ano_censo', 'years');
+    field('DISTINCT ibge_pib.ano_censo', 'year');
     next();
 }, query, response('years'));
 
diff --git a/src/libs/routes/population.js b/src/libs/routes/population.js
index 64bb837999b68cedcd54a9aea2568ad325a13410..3d05c3d0d06fd1630bdcf86df75ec4fba05eaa01 100644
--- a/src/libs/routes/population.js
+++ b/src/libs/routes/population.js
@@ -27,7 +27,7 @@ populationApp.get('/year_range', (req, res, next) => {
 
 populationApp.get('/years', (req, res, next) => {
     req.sql.from('ibge_populacao').
-    field('DISTINCT ibge_populacao.ano_censo', 'years');
+    field('DISTINCT ibge_populacao.ano_censo', 'year');
     next();
 }, query, response('years'));
 
diff --git a/src/libs/routes/school.js b/src/libs/routes/school.js
index 9c16f230dd7943dc5cd9210e0510576734eee9c4..de84d69dacffe7da02d7878d9ed7463f91840a07 100644
--- a/src/libs/routes/school.js
+++ b/src/libs/routes/school.js
@@ -27,7 +27,7 @@ schoolApp.get('/year_range', (req, res, next) => {
 
 schoolApp.get('/years', (req, res, next) => {
     req.sql.from('escola').
-    field('DISTINCT escola.ano_censo', 'years');
+    field('DISTINCT escola.ano_censo', 'year');
     next();
 }, query, response('years'));
 
diff --git a/src/libs/routes/teacher.js b/src/libs/routes/teacher.js
index fd7e5c99f4bb558329f64a28dcb489b556da5a07..ccb03e38876895a22c830fcc76111e98810a9ba5 100644
--- a/src/libs/routes/teacher.js
+++ b/src/libs/routes/teacher.js
@@ -28,7 +28,7 @@ teacherApp.get('/year_range', (req, res, next) => {
 
 teacherApp.get('/years', (req, res, next) => {
     req.sql.from('docente').
-    field('DISTINCT docente.ano_censo', 'years');
+    field('DISTINCT docente.ano_censo', 'year');
     next();
 }, query, response('years'));