diff --git a/cloud/flask_home_control_log.py b/cloud/flask_home_control_log.py
index c8f9467..72dc33b 100644
--- a/cloud/flask_home_control_log.py
+++ b/cloud/flask_home_control_log.py
@@ -49,7 +49,7 @@ def _tail(path: Path, line_count: int = 50) -> str:
         return ""
 
 
-@app.route(f"{URL_PREFIX}/event", methods=["GET", "POST"])
+@app.post(f"{URL_PREFIX}/event")
 def add_event():
     data = request.get_json(silent=True)
     if data is None:
diff --git a/lib/_cloud_logger.py b/lib/_cloud_logger.py
index 74e8920..677f98a 100644
--- a/lib/_cloud_logger.py
+++ b/lib/_cloud_logger.py
@@ -41,7 +41,17 @@ def send_event(message: dict, event_url: str, timeout: float = 10) -> None:
     if not event_url:
         raise ValueError("event_url is required")
 
-    response = requests.post(event_url, json=message, timeout=timeout)
+    response = requests.post(
+        event_url,
+        json=message,
+        timeout=timeout,
+        allow_redirects=False,
+    )
+    if response.is_redirect:
+        raise requests.HTTPError(
+            f"event endpoint redirected to {response.headers.get('Location', '')}",
+            response=response,
+        )
     response.raise_for_status()
 
 
diff --git a/log/detect-arrivals.txt b/log/detect-arrivals.txt
index eea9e1b..d23449a 100644
--- a/log/detect-arrivals.txt
+++ b/log/detect-arrivals.txt
@@ -20,3 +20,7 @@
 2026-08-26T18:22:31+02:00 FIRST_ARRIVAL id=ignace mac=ce:68:53:a8:fc:07
 2026-08-26T18:28:39+02:00 DEPARTED id=ignace mac=ce:68:53:a8:fc:07
 2026-08-26T18:28:40+02:00 EMPTY id=house
+2026-08-26T18:37:21+02:00 ARRIVED id=ignace mac=ce:68:53:a8:fc:07
+2026-08-26T18:37:21+02:00 FIRST_ARRIVAL id=ignace mac=ce:68:53:a8:fc:07
+2026-08-26T18:40:07+02:00 DEPARTED id=ignace mac=ce:68:53:a8:fc:07
+2026-08-26T18:40:07+02:00 EMPTY id=house