diff --git a/srv/poe_manager/app.py b/srv/poe_manager/app.py
index 1a199c4..9f0c26b 100644
--- a/srv/poe_manager/app.py
+++ b/srv/poe_manager/app.py
@@ -239,7 +239,7 @@ def devices():
                         WHERE mac=?
                     """, (switch_hostname, old_mac))
                     conn.commit()
-                    flash(f"Switch von {device_name} geändert: {old_switch} → {switch_hostname}")
+                    flash(f"Switch von {device_name} geändert: {old_switch} → {switch_hostname} or 'kein Switch'")
                 except sqlite3.IntegrityError:
                     flash("Fehler beim Ändern des Switch!")
                 return redirect(url_for('devices'))