diff --git a/srv/poe_manager/app.py b/srv/poe_manager/app.py
index fa9c615..4ab8153 100644
--- a/srv/poe_manager/app.py
+++ b/srv/poe_manager/app.py
@@ -104,9 +104,8 @@ def get_last_seen(dev_name: str):
                         continue
 
     if latest_time:
-        date_str = latest_time.strftime("Zuletzt Online am %d.%m.%Y")
-        time_str = latest_time.strftime("um %H:%M Uhr")
-        return f"{date_str} {time_str}"
+        datetime_str = latest_time.strftime("Zuletzt Online am %d.%m.%Y um %H:%M Uhr")
+        return f"{datetime_str}"
 
     return None