diff --git a/srv/poe_manager/app.py b/srv/poe_manager/app.py
index 865ce6a..2cd71a9 100644
--- a/srv/poe_manager/app.py
+++ b/srv/poe_manager/app.py
@@ -104,9 +104,13 @@ def index():
         latest_log = max(log_files, key=os.path.getctime)
         with open(latest_log, "r") as f:
             for line in f:
+                line = line.strip()
                 for dev in devices:
-                    if dev[1] in line:
-                        status_dict[dev[0]] = "online" if "erreichbar" in line else "offline"
+                    # exakte Prüfung, Name gefolgt von 'ist erreichbar!' oder 'ist nicht erreichbar!'
+                    if line.startswith(f"{dev[1]} ist erreichbar!"):
+                        status_dict[dev[0]] = "online"
+                    elif line.startswith(f"{dev[1]} ist nicht erreichbar!"):
+                        status_dict[dev[0]] = "offline"
 
     # Template rendern mit Devices, Status und Intervall
     return render_template("index.html", devices=devices, status=status_dict, interval=interval)