diff --git a/src/transport_performance/gtfs/validation.py b/src/transport_performance/gtfs/validation.py
index fd078814..67537c4e 100644
--- a/src/transport_performance/gtfs/validation.py
+++ b/src/transport_performance/gtfs/validation.py
@@ -1491,7 +1491,8 @@ def html_report(
         date = datetime.datetime.strftime(datetime.datetime.now(), "%d-%m-%Y")
 
         # feed evaluation
-        self.clean_feed(validate=True, fast_travel=True)
+        if clean_feed:
+            self.clean_feed(validate=True, fast_travel=True)
         # re-validate to clean any newly raised errors/warnings
         validation_dataframe = self.is_valid(far_stops=True)