diff --git a/plm/__manifest__.py b/plm/__manifest__.py
index 771b20ca..269fbce1 100644
--- a/plm/__manifest__.py
+++ b/plm/__manifest__.py
@@ -20,7 +20,7 @@
 ##############################################################################
 {
     "name": "Product Lifecycle Management",
-    "version": "16.0.28",
+    "version": "16.0.29",
     "author": "OmniaSolutions",
     "website": "https://odooplm.omniasolutions.website",
     "category": "Manufacturing/Product Lifecycle Management (PLM)",
diff --git a/plm/models/plm_mixin.py b/plm/models/plm_mixin.py
index 3d78f201..b86fbba5 100644
--- a/plm/models/plm_mixin.py
+++ b/plm/models/plm_mixin.py
@@ -416,8 +416,9 @@ def write(self, vals):
         return super(RevisionBaseMixin, self).write(vals)
 
     def create(self, vals):
-        if 'engineering_code' in vals and vals['engineering_code'] not in [False, '-','']:
-            vals['engineering_code_editable']=False
+        for record_val in vals:
+            if 'engineering_code' in record_val and record_val['engineering_code'] not in [False, '-','']:
+                record_val['engineering_code_editable']=False
         return super(RevisionBaseMixin, self).create(vals)
         
     def get_display_notification(self, message):
diff --git a/plm_auto_engcode/__manifest__.py b/plm_auto_engcode/__manifest__.py
index 99283210..9f7ef70f 100644
--- a/plm_auto_engcode/__manifest__.py
+++ b/plm_auto_engcode/__manifest__.py
@@ -20,7 +20,7 @@
 ##############################################################################
 {
     "name": "PLM Automatic Engineering Code",
-    "version": "16.0.1",
+    "version": "16.0.2",
     "author": "OmniaSolutions",
     "website": "https://odooplm.omniasolutions.website",
     "category": "Manufacturing/Product Lifecycle Management (PLM)",
diff --git a/plm_auto_engcode/models/product_product.py b/plm_auto_engcode/models/product_product.py
index 8d145c70..6467d68e 100755
--- a/plm_auto_engcode/models/product_product.py
+++ b/plm_auto_engcode/models/product_product.py
@@ -36,7 +36,7 @@ class pProductProduct(models.Model):
     
     @api.onchange("categ_id")
     def onchange_categ_id(self):
-        if self.engineering_code_editable:
+        if self.product_tmpl_id.engineering_code_editable:
             self.product_tmpl_id.engineering_code = self.product_tmpl_id._getNewCode()
                 
 class ProductTemplate(models.Model):