diff --git a/README.md b/README.md
index cba7e01..77c8df5 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ addon | version | summary
 [multi_step_wizard](multi_step_wizard/) | 2.0.1.0.0| Multi-Steps Wizards
 [base_technical_features](base_technical_features/) | 2.0.1.1.1| Access to technical features without activating debug mode
 [base_tier_validation_formula](base_tier_validation_formula/) | 2.0.2.0.1|         Formulas for Base tier validation
-[base_tier_validation](base_tier_validation/) | 2.0.2.7.0| Implement a validation process based on tiers.
+[base_tier_validation](base_tier_validation/) | 2.0.2.8.0| Implement a validation process based on tiers.
 [base_search_custom_field_filter](base_search_custom_field_filter/) | 2.0.1.0.0| Add custom filters for fields via UI
 [base_revision](base_revision/) | 2.0.1.0.1| Keep track of revised document
 [base_export_manager](base_export_manager/) | 2.0.1.0.1| Manage model export profiles
diff --git a/base_tier_validation/__manifest__.py b/base_tier_validation/__manifest__.py
index 059e5ad..9acc2ca 100644
--- a/base_tier_validation/__manifest__.py
+++ b/base_tier_validation/__manifest__.py
@@ -3,7 +3,7 @@
 {
     "name": "Base Tier Validation",
     "summary": "Implement a validation process based on tiers.",
-    "version": "2.0.2.7.0",
+    "version": "2.0.2.8.0",
     "development_status": "Mature",
     "maintainers": ["LoisRForgeFlow"],
     "category": "Tools",
diff --git a/base_tier_validation/models/tier_validation.py b/base_tier_validation/models/tier_validation.py
index e95c9ad..9ab39c7 100644
--- a/base_tier_validation/models/tier_validation.py
+++ b/base_tier_validation/models/tier_validation.py
@@ -193,6 +193,15 @@ class TierValidation(models.AbstractModel):
                 return False
         return True
 
+    def _check_tier_state_transition(self, vals):
+        """
+        Check we are in origin state and not destination state
+        """
+        self.ensure_one()
+        return getattr(self, self._state_field) in self._state_from and not vals.get(
+            self._state_field
+        ) in (self._state_to + [self._cancel_state])
+
     def write(self, vals):
         for rec in self:
             if rec._check_state_conditions(vals):
@@ -216,9 +225,7 @@ class TierValidation(models.AbstractModel):
                     )
             if (
                 rec.review_ids
-                and getattr(rec, self._state_field) in self._state_from
-                and not vals.get(self._state_field)
-                in (self._state_to + [self._cancel_state])
+                and rec._check_tier_state_transition(vals)
                 and not rec._check_allow_write_under_validation(vals)
             ):
                 raise ValidationError(_("The operation is under validation."))