diff --git a/services/production/common/methods/ticket-state/change-state.js b/services/production/common/methods/ticket-state/change-state.js
index 4e7cbbffbc..687b8ba225 100644
--- a/services/production/common/methods/ticket-state/change-state.js
+++ b/services/production/common/methods/ticket-state/change-state.js
@@ -33,6 +33,8 @@ module.exports = function(TicketState) {
         TicketState.app.models.Employee.findOne({where: {userFk: ctx.req.accessToken.userId}}, function(err, emp){
             if(!err)
                 changeState(emp.id, tickets, state, cb);
+            else
+                cb(err, null);
         });
 
         TicketState.disconnectFromService("client");
diff --git a/services/production/common/methods/warehouse/list-warehouses.js b/services/production/common/methods/warehouse/list-warehouses.js
index 326244943d..c22235509d 100644
--- a/services/production/common/methods/warehouse/list-warehouses.js
+++ b/services/production/common/methods/warehouse/list-warehouses.js
@@ -15,6 +15,8 @@ module.exports = function(Warehouse) {
         Warehouse.find(where(), function(err, warehouses){
             if(!err)
                 cb(null, warehouses);
+            else
+                cb(err, null);
         });
     };