diff --git a/kfet/migrations/0018_auto_20160808_0341.py b/kfet/migrations/0018_auto_20160808_0341.py
new file mode 100644
index 00000000..384e82b2
--- /dev/null
+++ b/kfet/migrations/0018_auto_20160808_0341.py
@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('kfet', '0017_auto_20160808_0234'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='globalpermissions',
+            options={'permissions': (('is_team', 'Is part of the team'), ('can_perform_deposit', 'Effectuer une charge'), ('can_perform_negative_operations', 'Enregistrer des commandes en négatif'), ('override_frozen_protection', "Forcer le gel d'un compte")), 'managed': False},
+        ),
+    ]
diff --git a/kfet/migrations/0019_auto_20160808_0343.py b/kfet/migrations/0019_auto_20160808_0343.py
new file mode 100644
index 00000000..6512b7ea
--- /dev/null
+++ b/kfet/migrations/0019_auto_20160808_0343.py
@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('kfet', '0018_auto_20160808_0341'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='globalpermissions',
+            options={'managed': False, 'permissions': (('is_team', 'Is part of the team'), ('perform_deposit', 'Effectuer une charge'), ('perform_negative_operations', 'Enregistrer des commandes en négatif'), ('override_frozen_protection', "Forcer le gel d'un compte"))},
+        ),
+    ]
diff --git a/kfet/models.py b/kfet/models.py
index 672a2b0b..5f740d27 100644
--- a/kfet/models.py
+++ b/kfet/models.py
@@ -94,10 +94,12 @@ class Account(models.Model):
         return data
 
     def perms_to_perform_operation(self, amount):
-        new_balance = self.balance + amount
         perms = []
+        if self.is_frozen:
+            perms.append('kfet.override_frozen_protection')
+        new_balance = self.balance + amount
         if new_balance < 0:
-            perms.append('kfet.can_perform_negative_operations')
+            perms.append('kfet.perform_negative_operations')
         return perms
 
     # Surcharge Méthode save() avec gestions de User et CofProfile
@@ -422,9 +424,10 @@ class GlobalPermissions(models.Model):
         managed = False
         permissions = (
             ('is_team', 'Is part of the team'),
-            ('can_perform_deposit', 'Peut effectuer une charge'),
-            ('can_perform_negative_operations',
-                'Peut enregistrer des commandes en négatif')
+            ('perform_deposit', 'Effectuer une charge'),
+            ('perform_negative_operations',
+                'Enregistrer des commandes en négatif'),
+            ('override_frozen_protection', "Forcer le gel d'un compte"),
         )
 
 class Settings(models.Model):