diff --git a/scripts/install b/scripts/install
index ffed7a6..0e79b5f 100644
--- a/scripts/install
+++ b/scripts/install
@@ -12,6 +12,8 @@ source ynh_add_swap
 source /usr/share/yunohost/helpers
 
 admin_mail=$(ynh_user_get_info --username=$admin --key=mail)
+# Set `service` settings to support `yunohost app shell` command
+ynh_app_setting_set --app="$app" --key=service --value="$app-web.service"
 
 #=================================================
 # APP "BUILD" (DEPLOYING SOURCES, VENV, COMPILING ETC)
diff --git a/scripts/upgrade b/scripts/upgrade
index 275f5da..8b477b2 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -58,6 +58,12 @@ if [[ -z "$redis_namespace" ]]; then
 	ynh_app_setting_set --app=$app --key=redis_namespace --value=$redis_namespace
 fi
 
+# If service doesn't exist, create it
+if [[ -z "$service" ]]; then
+	# Set `service` settings to support `yunohost app shell` command
+	ynh_app_setting_set --app="$app" --key=service --value="$app-web.service"
+fi
+
 #Remove previous added repository
 ynh_remove_extra_repo