diff --git a/src/libs/routes/city.js b/src/libs/routes/city.js
index 6c7550f916e95c9923932fcb23b71eccfc0831be..030aa3cecda6c538a45d12543aa6d9449e685937 100644
--- a/src/libs/routes/city.js
+++ b/src/libs/routes/city.js
@@ -29,7 +29,7 @@ cityApp.get('/ibge/:id', (req, res, next) => {
 
 cityApp.get('/state/:id', (req, res, next) => {
     req.sql = squel.select().from('municipios').where('fk_estado_id = ?',
-        parseInt(req.params.id, 10));
+        parseInt(req.params.id, 10)).toParam();
     next();
 }, query, response('city'));