diff --git a/stock_vertical_lift/models/vertical_lift_operation_base.py b/stock_vertical_lift/models/vertical_lift_operation_base.py
index 216ac921c..4409b032f 100644
--- a/stock_vertical_lift/models/vertical_lift_operation_base.py
+++ b/stock_vertical_lift/models/vertical_lift_operation_base.py
@@ -303,7 +303,7 @@ class VerticalLiftOperationBase(models.AbstractModel):
         self.ensure_one()
         if not self.step() == "release":
             return
-        self.next_step()
+        return self.next_step()
 
     def _render_product_packagings(self, product):
         if not product:
diff --git a/stock_vertical_lift/models/vertical_lift_operation_pick.py b/stock_vertical_lift/models/vertical_lift_operation_pick.py
index 217a36c85..484e6abda 100644
--- a/stock_vertical_lift/models/vertical_lift_operation_pick.py
+++ b/stock_vertical_lift/models/vertical_lift_operation_pick.py
@@ -105,14 +105,15 @@ class VerticalLiftOperationPick(models.Model):
 
     def button_release(self):
         """Release the operation, go to the next"""
-        super().button_release()
+        res = super().button_release()
         if self.step() == "noop":
             # we don't need to release (close) the tray until we have reached
             # the last line: the release is implicit when a next line is
             # fetched
             self.shuttle_id.release_vertical_lift_tray()
             # sorry not sorry
-            return self._rainbow_man()
+            res = self._rainbow_man()
+        return res
 
     def button_skip(self):
         """Skip the operation, go to the next"""
diff --git a/stock_vertical_lift/models/vertical_lift_operation_put.py b/stock_vertical_lift/models/vertical_lift_operation_put.py
index ca17d2666..b19ff307f 100644
--- a/stock_vertical_lift/models/vertical_lift_operation_put.py
+++ b/stock_vertical_lift/models/vertical_lift_operation_put.py
@@ -172,11 +172,12 @@ class VerticalLiftOperationPut(models.Model):
         self.current_move_line_id.fetch_vertical_lift_tray_dest()
 
     def button_release(self):
-        super().button_release()
+        res = super().button_release()
         if self.count_move_lines_to_do_all() == 0:
             # we don't need to release (close) the tray until we have reached
             # the last line: the release is implicit when a next line is
             # fetched if the tray change
             self.shuttle_id.release_vertical_lift_tray()
             # sorry not sorry
-            return self._rainbow_man()
+            res = self._rainbow_man()
+        return res