diff --git a/src/rougail/output_exporter/output/console.py b/src/rougail/output_exporter/output/console.py
index 91df14d..37aad0f 100644
--- a/src/rougail/output_exporter/output/console.py
+++ b/src/rougail/output_exporter/output/console.py
@@ -2,19 +2,19 @@
 """
 Silique (https://www.silique.fr)
 Copyright (C) 2022-2024
-            
+
 distribued with GPL-2 or later license
-            
+
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.
-        
+
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
-                    
+
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
@@ -276,6 +276,7 @@ class OutputFamily:
                     val = ''
                 if idx < len_default_value:
                     if val:
+                        val = str(val)
                         val += ' '
                     default = default_value[idx]
                 else: