diff --git a/paramecio2/libraries/formsutils.py b/paramecio2/libraries/formsutils.py
index e74e7eb..70214b8 100644
--- a/paramecio2/libraries/formsutils.py
+++ b/paramecio2/libraries/formsutils.py
@@ -248,6 +248,6 @@ def check_csrf(name_csrf_token='csrf_token'):
     csrf_token=session.get('csrf_token', '')
     
     if csrf_token=='' or csrf_token!=request.form.get(name_csrf_token):
-        abort(404)
+        abort(403)
         
         
diff --git a/paramecio2/libraries/generate_admin_class.py b/paramecio2/libraries/generate_admin_class.py
index 9078d41..4723400 100644
--- a/paramecio2/libraries/generate_admin_class.py
+++ b/paramecio2/libraries/generate_admin_class.py
@@ -24,6 +24,7 @@ from paramecio2.libraries.urls import add_get_parameters
 from paramecio2.libraries.formsutils import show_form
 from paramecio2.libraries.mtemplates import env_theme, PTemplate
 from paramecio2.libraries.i18n import I18n, PGetText
+from paramecio2.libraries.formsutils import check_csrf
 from collections import OrderedDict
 
 pgettext=PGetText(__file__)
@@ -173,6 +174,8 @@ class GenerateAdminClass:
         
         elif op_admin=='2':
             
+            check_csrf()
+            
             self.model.reset_conditions()
             
             insert_row=self.model.insert
diff --git a/paramecio2/libraries/templates/forms/modelform.phtml b/paramecio2/libraries/templates/forms/modelform.phtml
index 01ecc82..57ba89c 100644
--- a/paramecio2/libraries/templates/forms/modelform.phtml
+++ b/paramecio2/libraries/templates/forms/modelform.phtml
@@ -23,4 +23,5 @@
             ${form.form()|n}
         % endif
     % endfor
+    ${csrf_token()|n}
 </div>