diff --git a/mrp_operations_extension/models/mrp_routing.py b/mrp_operations_extension/models/mrp_routing.py
index 09c820074..7b19e79e8 100644
--- a/mrp_operations_extension/models/mrp_routing.py
+++ b/mrp_operations_extension/models/mrp_routing.py
@@ -66,7 +66,6 @@ class MrpRoutingWorkcenter(models.Model):
                 op_wc_lst.append(data)
                 is_default = False
             self.op_wc_lines = op_wc_lst
-        self.operation = False
 
     @api.one
     @api.onchange('op_wc_lines')