diff --git a/mrp_workcenter_hierarchical/models/mrp_workcenter.py b/mrp_workcenter_hierarchical/models/mrp_workcenter.py
index 33e4f2a1b..0321a4544 100644
--- a/mrp_workcenter_hierarchical/models/mrp_workcenter.py
+++ b/mrp_workcenter_hierarchical/models/mrp_workcenter.py
@@ -45,7 +45,7 @@ class MrpWorkcenter(models.Model):
             ids = []
         return ids
 
-    @api.depends("parent_id.parent_id.parent_id", "child_ids")
+    @api.depends("parent_id.parent_id.parent_id.parent_id", "child_ids")
     def _compute_parent_level(self):
         def get_next_level(parent_ids, workcenter):
             return (
@@ -56,6 +56,22 @@ class MrpWorkcenter(models.Model):
 
         for workcenter in self:
             parent_ids = workcenter._get_parent_ids()
-            workcenter.parent_level_1_id = get_next_level(parent_ids, workcenter)
-            workcenter.parent_level_2_id = get_next_level(parent_ids, workcenter)
-            workcenter.parent_level_3_id = get_next_level(parent_ids, workcenter)
+            exclude_ids = [workcenter.id, workcenter.parent_id.id]
+            l_id = [False, False, False]
+
+            l_id[0] = get_next_level(parent_ids, workcenter)
+            workcenter.parent_level_1_id = (
+                l_id[0] if l_id[0] not in exclude_ids else False
+            )
+            exclude_ids.append(l_id[0])
+
+            l_id[1] = get_next_level(parent_ids, workcenter)
+            workcenter.parent_level_2_id = (
+                l_id[1] if l_id[1] not in exclude_ids else False
+            )
+            exclude_ids.append(l_id[1])
+
+            l_id[2] = get_next_level(parent_ids, workcenter)
+            workcenter.parent_level_3_id = (
+                l_id[2] if l_id[2] not in exclude_ids else False
+            )