diff --git a/src/libs/models/user.js b/src/libs/models/user.js
index 4f1618caa3c16408814f3d6390185857b8eafcc7..0d54e4175fbf3336c4386bcc252d235dc6b478ce 100644
--- a/src/libs/models/user.js
+++ b/src/libs/models/user.js
@@ -82,7 +82,7 @@ var UserSchema = new Schema({
     origin: {
         type: String,
         enum: ['LDE', 'SimCAQ'],
-        required: true
+        required: [true, 'O campo origem é obrigatória e aceita apenas os valores "LDE" ou "SimCAQ"']
     },
     verified: {
         type: Boolean,
@@ -93,6 +93,10 @@ var UserSchema = new Schema({
     },
     citerole: {
         type: String
+    },
+    admin: {
+        type: Boolean,
+        default: false
     }
 });