diff --git a/agenda/schengen.py b/agenda/schengen.py
index 8e8fc3a..53debf8 100644
--- a/agenda/schengen.py
+++ b/agenda/schengen.py
@@ -157,14 +157,12 @@ def extract_schengen_stays_from_travel(
             # Currently outside Schengen
             if to_country and is_schengen_country(to_country):
                 # Entering Schengen - use arrival date for long-haul flights
-                entry_travel_date = travel_date
-                if item.get("arrive"):
-                    arrive_date = item.get("arrive")
-                    if isinstance(arrive_date, datetime):
-                        arrive_date = arrive_date.date()
-                    elif isinstance(arrive_date, date):
-                        entry_travel_date = arrive_date
-                entry_date = entry_travel_date
+                arrive_date = item.get("arrive")
+                assert arrive_date
+                if isinstance(arrive_date, datetime):
+                    arrive_date = arrive_date.date()
+                assert isinstance(arrive_date, date)
+                entry_date = arrive_date
 
         current_location = to_country