diff --git a/srv/poe_manager/app.py b/srv/poe_manager/app.py
index 1f071d6..9dda1aa 100644
--- a/srv/poe_manager/app.py
+++ b/srv/poe_manager/app.py
@@ -207,6 +207,15 @@ def devices():
         # --- Prüfen, ob es sich um eine Switch-Änderung handelt ---
         if mac is None and rpi_ip is None and port is None and name is None and switch_hostname:
             # Nur den Switch ändern
+            device = conn.execute("SELECT name, switch_hostname FROM devices WHERE mac=?", (old_mac,)).fetchone()
+
+            if not device:
+                flash("Gerät nicht gefunden!")
+                return redirect(url_for('devices'))
+
+            old_switch = device['switch_hostname'] or "unbekannt"
+            device_name = device['name']
+
             try:
                 conn.execute("""
                     UPDATE devices
@@ -214,7 +223,7 @@ def devices():
                     WHERE mac=?
                 """, (switch_hostname, old_mac))
                 conn.commit()
-                flash("Switch wurde geändert.")
+                flash(f"Switch von '{device_name}' geändert: {old_switch} → {switch_hostname}")
             except sqlite3.IntegrityError:
                 flash("Fehler beim Ändern des Switch!")
             return redirect(url_for('devices'))