diff --git a/participate.py b/participate.py
index 8c01d1b..96ec376 100755
--- a/participate.py
+++ b/participate.py
@@ -534,7 +534,8 @@ def save_staff_slot(turn_id, slot_id, user_id):
       return False
     if commit != None:
       return False
-  return True
+    return True
+  return False
 
 def get_roles():
   """ Get full roles list """
@@ -542,7 +543,7 @@ def get_roles():
     roles = Tetawebapp_roles.query.filter(Tetawebapp_roles.id > 3).all()
     return roles
   except Exception as e:
-    print "[+] Error at get_staffs:"
+    print "[+] Error at get_roles:"
     print "------------------------------"
     print "%s" % e.message
     print "------------------------------"
@@ -1132,7 +1133,7 @@ def clear_staff_slot(TURN_ID, SLOT_ID):
     user_id = session['user_id']
     if (drop_staff_slot(turn_id, slot_id, user_id)):
       return " "
-    return "Erreur"
+    return "KO"
   except AttributeError:
     # User is not logged in
     return render_template('login_or_register.html', message="Utilisateur ou mot de passe invalide")
@@ -1151,7 +1152,7 @@ def update_staff_slot(TURN_ID, SLOT_ID):
     if user_name != None:
       if (save_staff_slot(turn_id, slot_id, user_id)):
         return user_name
-    return "Erreur"
+    return "KO"
   except AttributeError as e:
     # User is not logged in
     print e
diff --git a/static/scripts/tetawebapp.js b/static/scripts/tetawebapp.js
index e6ffbea..0cff5da 100644
--- a/static/scripts/tetawebapp.js
+++ b/static/scripts/tetawebapp.js
@@ -137,6 +137,9 @@ function get_html_from_ajax(obj, url) {
   xhttp.onreadystatechange = function() {
     if (xhttp.readyState == 4 && xhttp.status == 200) {
       var response = xhttp.responseText;
+      if (response == "KO"){
+        document.location.reload(true);
+      }
       obj.innerHTML = response;
     }
   };