diff --git a/check_process b/check_process
index 56617ce..2f29493 100644
--- a/check_process
+++ b/check_process
@@ -14,7 +14,7 @@
 		upgrade=1
 		#upgrade=1	from_commit=CommitHash
 		backup_restore=1
-		multi_instance=1
+		multi_instance=0
 		port_already_use=0
 		change_url=1
 ;;; Options
diff --git a/manifest.json b/manifest.json
index bf5ba61..45e06e3 100644
--- a/manifest.json
+++ b/manifest.json
@@ -21,7 +21,7 @@
     "requirements": {
         "yunohost": ">= 4.3.0"
     },
-    "multi_instance": true,
+    "multi_instance": false,
     "services": [
         "nginx"
     ],
diff --git a/scripts/restore b/scripts/restore
index 1d8d577..1c551ac 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -111,9 +111,6 @@ ynh_mongo_restore_db --database="$db_name" < ./dump.bson
 #=================================================
 ynh_script_progression --message="Restoring the systemd configuration..."
 
-ynh_restore_file --origin_path="/etc/systemd/system/$app.service"
-systemctl enable $app.service --quiet
-
 ynh_restore_file --origin_path="/etc/systemd/system/$app-chat.service"
 systemctl enable $app-chat.service --quiet
 ynh_restore_file --origin_path="/etc/systemd/system/$app-clsi.service"
diff --git a/scripts/upgrade b/scripts/upgrade
index bed789d..4e513a1 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -7,6 +7,7 @@
 #=================================================
 
 source _common.sh
+source ynh_mongo_db
 source /usr/share/yunohost/helpers
 
 #=================================================