diff --git a/ogcp/views.py b/ogcp/views.py
index 77e43f9..e3f1626 100644
--- a/ogcp/views.py
+++ b/ogcp/views.py
@@ -1090,10 +1090,10 @@ def action_folder_add():
     room = params.get('scope-room')
     center = params.get('scope-center')
     if room and center:
-        flash(_('Please, select either a room or a center'), category='error')
+        flash(('Please, select either a room or a center'), category='error')
         return redirect(url_for('scopes'))
     if not room and not center:
-        flash(_('Please, select a room or a center'), category='error')
+        flash(('Please, select a room or a center'), category='error')
         return redirect(url_for('scopes'))
     if params.get('folder'):
         flash(('Error: A folder has been selected. Please, select a room or a center'), category='error')