diff --git a/src/libs/routes/idhml.js b/src/libs/routes/idhml.js
index be1ee7a3b7a0b00b7d914d0a9fe1d480034beae7..eb39779db0df0a47543266e013bd97bb3d4faf94 100644
--- a/src/libs/routes/idhml.js
+++ b/src/libs/routes/idhml.js
@@ -122,6 +122,13 @@ rqf.addField({
 });
 
 idhmlApp.get('/', rqf.parse(), (req, res, next) => {
+    if(typeof req.filter === 'undefined' || Object.keys(req.filter).length === 0) {
+        res.status(400);
+        next({
+            status: 400,
+            message: 'Wrong/No filter specified'
+        });
+    }
 
     if (("city" in req.dims) || ("city" in req.filter)) {
         req.sql.from('adh_idh')
@@ -131,7 +138,7 @@ idhmlApp.get('/', rqf.parse(), (req, res, next) => {
         .group('adh_idh.idhm_l')
         .group('adh_idh.ano_censo')
         .group('adh_idh.municipio_id');
-    } else {
+    } else if (("state" in req.filter) || ("state" in req.dims) && !("city" in req.filter) && !("city" in req.dims)) {
         req.sql.from('adh_idh_uf')
         .field('adh_idh_uf.idhm_l', 'total')
         .field('adh_idh_uf.ano_censo', 'year')
@@ -139,6 +146,12 @@ idhmlApp.get('/', rqf.parse(), (req, res, next) => {
         .group('adh_idh_uf.idhm_l')
         .group('adh_idh_uf.ano_censo')
         .group('adh_idh_uf.estado_id');
+    } else {
+        res.status(400);
+        next({
+            status: 400,
+            message: 'Wrong/No filter specified'
+        });
     }
     next();
 }, rqf.build(), query, id2str.transform(), response('idhme'));