diff --git a/chart/middleware/plausible_analytics.py b/chart/middleware/plausible_analytics.py
index 5e0cca5..b4c865b 100644
--- a/chart/middleware/plausible_analytics.py
+++ b/chart/middleware/plausible_analytics.py
@@ -2,6 +2,7 @@ import httpx
 import yaml
 
 from user_agents import parse as ua_parse
+from http import HTTPStatus
 
 config = yaml.safe_load(open('../config.yaml'))
 
@@ -9,6 +10,9 @@ class PlausibleAnalytics:
     async def __call__(self, request, call_next):
         response = await call_next(request)
 
+        if HTTPStatus(response.status_code).is_client_error:
+            return response
+
         user_agent = request.headers.get('user-agent', 'unknown')
         user_agent_parsed = ua_parse(user_agent)