diff --git a/app/models/user.rb b/app/models/user.rb
index 908a27b7921844081cd0a323c78061420314fa65..9d95633830eb4c20a6ce47fa41cdd39cd2915698 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -70,6 +70,8 @@ class User < ApplicationRecord
 
   include DeviseTokenAuth::Concerns::User
 
+  belongs_to :school
+
   has_and_belongs_to_many :roles
   has_and_belongs_to_many :institutions
 
@@ -293,7 +295,7 @@ class User < ApplicationRecord
     return true if (changed & ["teacher_id", "birthday"]).empty?
 
     params = {
-      filter: "teacher:#{teacher_id},day: #{birthday.day},month:#{birthday.month},year:#{birthday.year},min_year:2017"   
+      filter: "teacher:#{teacher_id},day: #{birthday.day},month:#{birthday.month},year:#{birthday.year},min_year:2017"
     }
     uri = URI("https://simcaq.c3sl.ufpr.br/api/v1/verify_teacher")
     uri.query = URI.encode_www_form(params)