diff --git a/scripts/install b/scripts/install
index cc195a5..818cc2f 100644
--- a/scripts/install
+++ b/scripts/install
@@ -77,14 +77,6 @@ ynh_setup_source --dest_dir="$final_path"
 datadir=$final_path/documents
 touch $final_path/htdocs/conf/conf.php
 
-#=================================================
-# NGINX CONFIGURATION
-#=================================================
-ynh_script_progression --message="Configuring NGINX web server..." --weight=1
-
-# Create a dedicated nginx config
-ynh_add_nginx_config
-
 #=================================================
 # CREATE DEDICATED USER
 #=================================================
@@ -99,7 +91,23 @@ ynh_system_user_create --username=$app
 ynh_script_progression --message="Configuring PHP-FPM and install dependencies..." --weight=2
 
 # Create a dedicated php-fpm config
-ynh_add_fpm_config --usage=medium --footprint=medium --package="$extra_php_dependencies"
+ynh_add_fpm_config --usage=medium --footprint=medium --phpversion=$YNH_PHP_VERSION --package="$extra_php_dependencies"
+
+# Used by ynh_add_nginx_config
+phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
+
+# If phpversion doesn't exist, create it
+if [ -z "$phpversion" ]; then
+    phpversion="$YNH_PHP_VERSION"
+fi
+
+#=================================================
+# NGINX CONFIGURATION
+#=================================================
+ynh_script_progression --message="Configuring NGINX web server..." --weight=1
+
+# Create a dedicated nginx config
+ynh_add_nginx_config
 
 #=================================================
 # SPECIFIC SETUP
diff --git a/scripts/restore b/scripts/restore
index 72c9780..ddbcea2 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -73,9 +73,12 @@ ynh_system_user_create --username=$app
 #=================================================
 ynh_print_info --message="Reconfiguring PHP-FPM..."
 
+# Restore the file first, so it can have a backup if different
 ynh_restore_file --origin_path="/etc/php/$phpversion/fpm/pool.d/$app.conf"
 
-ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint --package="$extra_php_dependencies"
+# Recreate a dedicated php-fpm config
+ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint --phpversion=$phpversion --package="$extra_php_dependencies"
+
 
 #=================================================
 # SPECIFIC RESTORATION
@@ -112,8 +115,8 @@ chmod go-w $datadir
 #=================================================
 ynh_script_progression --message="Reloading NGINX web server and PHP-FPM..." --weight=1
 
-ynh_systemd_action --service_name=php$phpversion-fpm --action=reload
 ynh_systemd_action --service_name=nginx --action=reload
+ynh_systemd_action --service_name=php$phpversion-fpm --action=reload
 
 #=================================================
 # END OF SCRIPT
diff --git a/scripts/upgrade b/scripts/upgrade
index a4ee33b..8c624ef 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -78,6 +78,11 @@ if [ -z "$fpm_usage" ]; then
 	ynh_app_setting_set --app=$app --key=fpm_usage --value=$fpm_usage
 fi
 
+# If phpversion doesn't exist, create it
+if [ -z "$phpversion" ]; then
+    phpversion="$YNH_PHP_VERSION"
+fi
+
 if ! ynh_permission_exists --permission "public_space"; then
 	ynh_permission_create --permission "public_space" --url "/public/" --allowed "visitors"
 fi
@@ -131,13 +136,20 @@ ynh_system_user_create --username=$app
 #=================================================
 ynh_script_progression --message="Upgrading PHP-FPM configuration..." --weight=2
 
-# Delete old static pool.d conf
-old_php_version=7.0
-if [ -f "/etc/php/$old_php_version/fpm/pool.d/$app.conf" ]; then
-	ynh_secure_remove --file="/etc/php/$old_php_version/fpm/pool.d/$app.conf"
+# If php has changed, remove the old fpm config file
+if [ "$phpversion" != $YNH_PHP_VERSION ]
+then
+    ynh_backup_if_checksum_is_different --file="/etc/php/$phpversion/fpm/pool.d/$app.conf"
+    ynh_secure_remove --file="/etc/php/$phpversion/fpm/pool.d/$app.conf"
+    if [ -f /etc/php/$phpversion/fpm/conf.d/20-$app.ini ]; then
+        ynh_secure_remove --file="/etc/php/$phpversion/fpm/conf.d/20-$app.ini"
+    fi
+    ynh_systemd_action --service_name="php${phpversion}-fpm" --action=reload
+    
+    phpversion="$YNH_PHP_VERSION"
 fi
 
-# Create a dedicated php-fpm config
+# Recreate a dedicated PHP-FPM config
 ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint --package="$extra_php_dependencies"
 
 #=================================================
@@ -213,12 +225,23 @@ mkdir -p "$datadir"
 chown -R $app: "$datadir"
 chmod go-w $datadir
 
+#=================================================
+# SETUP SSOWAT
+#=================================================
+ynh_script_progression --message="Upgrading SSOwat configuration..." --weight=1
+
+# Create the public space permission if needed
+if ! ynh_permission_exists --permission "public_space"; then
+	ynh_permission_create --permission "public_space" --url "/public/" --allowed "visitors"
+fi
+
 #=================================================
 # RELOAD NGINX
 #=================================================
-ynh_script_progression --message="Reloading NGINX web server..." --weight=1
+ynh_script_progression --message="Reloading NGINX web server and PHP-FPM..."
 
 ynh_systemd_action --service_name=nginx --action=reload
+ynh_systemd_action --service_name="php${phpversion}-fpm" --action=reload
 
 #=================================================
 # END OF SCRIPT