diff --git a/scripts/upgrade b/scripts/upgrade
index 7ced1ef..00868d9 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -70,7 +70,9 @@ ynh_script_progression --message="Updating a configuration file..." --weight=5
 if ynh_compare_current_package_version --comparison lt --version 1.1.15~ynh1; then
 	ynh_add_config --template="config.local.user.php" --destination="$install_dir/config.local.user.php"
 fi
-
+if ynh_compare_current_package_version --comparison lt --version 1.2.9~ynh1; then
+        ynh_replace_string --match_string="namespace Garradin;" --replace_string="namespace Paheko;" --target_file="$install_dir/config.local.user.php"
+fi
 ynh_add_config --template="config.local.php" --destination="$install_dir/config.local.php"
 ynh_add_config --template="config.local.yunohost.php" --destination="$install_dir/config.local.yunohost.php"
 # NOTE: Don't overwrite config.local.user.php