diff --git a/check_process b/check_process
index 6d49c4f..94eeba9 100644
--- a/check_process
+++ b/check_process
@@ -13,7 +13,7 @@
 		upgrade=1
 		#upgrade=1	from_commit=CommitHash
 		backup_restore=1
-		multi_instance=1
+		multi_instance=0
 		port_already_use=0
 		change_url=0
 ;;; Options
diff --git a/scripts/restore b/scripts/restore
index 85467c6..39b0fde 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -102,13 +102,6 @@ ynh_script_progression --message="Restoring the systemd configuration..."
 ynh_restore_file --origin_path="/etc/systemd/system/$app.service"
 systemctl enable $app.service --quiet
 
-#=================================================
-# RESTORE THE LOGROTATE CONFIGURATION
-#=================================================
-ynh_script_progression --message="Restoring the logrotate configuration..."
-
-ynh_restore_file --origin_path="/etc/logrotate.d/$app"
-
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 8db3213..fcc285c 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -21,6 +21,7 @@ path_url=$(ynh_app_setting_get --app=$app --key=path)
 admin=$(ynh_app_setting_get --app=$app --key=admin)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
+port=$(ynh_app_setting_get --app=$app --key=port)
 
 #=================================================
 # CHECK VERSION