diff --git a/models/embargo.py b/models/embargo.py
index da2f65f2c46daabbfab81dd1ab2fe3ba40ea8050..faeafc7512c3951c204b807abab71f6743ab91f4 100644
--- a/models/embargo.py
+++ b/models/embargo.py
@@ -29,7 +29,7 @@ class Impund(models.Model):
                                                ('food_quota', 'Food Quota')]
                                     )
     food_quota = fields.Float(string="%", digits=dp.get_precision('Account'))
-    file_number = fields.Char(string='File Number', required=True, size=10)
+    file_number = fields.Char(string='File Number', required=True, size=11)
     invoice_number = fields.Char(string='Invoice Number')
     extension_office = fields.Boolean(string='Extension Office')
     extension_office_field = fields.Char(string='Office Reference')
@@ -196,7 +196,7 @@ class Impund(models.Model):
             ('impound_type', '=', 'judicial'),
             ]) > 0:
             return True
-    
+
     def in_progress_impound(self):
         if self._exists_impounts_in_progress():
             raise ValidationError(