diff --git a/scripts/change_url b/scripts/change_url
index 5195dab..6599a65 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -28,6 +28,11 @@ ynh_systemd_action --service_name=$app --action="stop"
 # MODIFY URL IN NGINX CONF
 #=================================================
 ynh_script_progression --message="Updating NGINX web server configuration..." --weight=1
+#Cannot use empty string for X-script-name, causes an issue in the python prg
+if [ $path_url = "/" ] ; then
+	ynh_replace_string "        proxy_set_header	X-Script-Name" "#       proxy_set_header	X-Script-Name" ../conf/nginx.conf
+fi
+
 ynh_change_url_nginx_config
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index fb4a585..9302be3 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -31,16 +31,12 @@ upgrade_type=$(ynh_check_app_version_changed)
 current_upstream_package_version=$(ynh_app_upstream_version --manifest="/etc/yunohost/apps/$app/manifest.json") #0.96.0
 current_upstream_package_version="${current_upstream_package_version/".96"/".6"}" #0.6.0
 
-new_upstream_package_version=$(ynh_app_upstream_version) #0.96.0
+new_upstream_package_version=$(ynh_app_upstream_version)
 new_upstream_package_version="${new_upstream_package_version/".96"/".6"}" #0.6.0
 
-#if [ -f $install_dir/cps/constants.py ]; then #on est dans une version postérieur à la 0.6.0
-#	current_upstream_app_version=$(cat $install_dir/cps/constants.py | grep STABLE_VERSION)
-#	current_upstream_app_version="${current_upstream_app_version/STABLE_VERSION = \{\'version\': \'/""}"
-#	current_upstream_app_version="${current_upstream_app_version/\'\}/""}"
-#else #on est encore en 0.6.0
-#	current_upstream_app_version='0.6.0' 
-#fi
+current_upstream_app_version=$(cat $install_dir/cps/constants.py | grep STABLE_VERSION)
+current_upstream_app_version="${current_upstream_app_version/STABLE_VERSION = \{\'version\': \'/""}"
+current_upstream_app_version="${current_upstream_app_version/\'\}/""}"
 
 
 #=================================================