diff --git a/app/forms.py b/app/forms.py
index 1cc683b..bb0146a 100644
--- a/app/forms.py
+++ b/app/forms.py
@@ -29,7 +29,7 @@ class PNForm(Form):
     nom = StringField("Nom", validators=[DataRequired()] )
     diminutif = StringField("Diminutif", validators=[DataRequired()] )
     description = TextAreaField("Description", validators=[DataRequired()] )
-    type = RadioField("Type", choices=[1,2,3], validators=[DataRequired()])
+    type = RadioField("Type", choices=["1","2","3"], validators=[DataRequired()])
 
 class ACForm(Form):
     regex = "^AC\d{4}$"
@@ -93,17 +93,15 @@ def form_import(form):
             return form
         fichier_Yaml = yaml.safe_load(form.fichier.data.read())
         for categorie, valeur in fichier_Yaml.items():
-            form[categorie].data = valeur
+            form[categorie].process_data(valeur)
     form.validate_on_submit() # Réinitialise les messages d'erreur
     return form
 
 def form_export(form):
     """ Si le formulaire est valide => exporte dans un fichier yaml avec les informations du formulaire """
     output = {}
-
     for categorie, valeur in list(form.data.items())[6:-1]:
         output[categorie] = valeur
-
         fichier = REPERTOIRE_YAML + form.code.data + ".yml"
         with open(fichier, "w", encoding="utf8") as fid:
             fid.write(yaml.dump(output))
@@ -118,6 +116,6 @@ def form_charger(form):
             model = getattr(models, temp[0])
             referentiel = model.query.filter_by(code=temp[1]).first()
             for categorie in list(referentiel.__dict__)[1:]:
-                form[categorie].data = referentiel.__dict__[categorie]
+                form[categorie].process_data(referentiel.__dict__[categorie])
         form.validate_on_submit()
     return form
\ No newline at end of file