diff --git a/scripts/change_url b/scripts/change_url
index c4fd19a..a5f4437 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -114,7 +114,7 @@ ynh_systemd_action --service_name=nginx --action=reload
 ynh_script_progression --message="Starting a systemd service..." --weight=6
 
 # Start a systemd service
-ynh_systemd_action --action=start --log_path="systemd" --line_match="Your Etherpad version is"
+ynh_systemd_action --service_name=$app --action=start --log_path="systemd" --line_match="Your Etherpad version is"
 
 #=================================================
 # END OF SCRIPT