diff --git a/crates/ical/src/icalendar/event.rs b/crates/ical/src/icalendar/event.rs
index a44ead3..6a2fbdc 100644
--- a/crates/ical/src/icalendar/event.rs
+++ b/crates/ical/src/icalendar/event.rs
@@ -192,42 +192,42 @@ END:VCALENDAR"#;
         "BEGIN:VEVENT\r
 UID:318ec6503573d9576818daf93dac07317058d95c\r
 DTSTAMP:20250502T132758Z\r
-DTEND;TZID=Europe/Berlin:20250506T092500\r
 SEQUENCE:2\r
 SUMMARY:weekly stuff\r
 TRANSP:OPAQUE\r
 RECURRENCE-ID:20250506T090000\r
-DTSTART:20250506T090000\r
+DTSTART;TZID=Europe/Berlin:20250506T090000\r
+DTEND;TZID=Europe/Berlin:20250506T092500\r
 END:VEVENT\r\n",
         "BEGIN:VEVENT\r
 UID:318ec6503573d9576818daf93dac07317058d95c\r
 DTSTAMP:20250502T132758Z\r
-DTEND;TZID=Europe/Berlin:20250506T092500\r
 SEQUENCE:2\r
 SUMMARY:weekly stuff\r
 TRANSP:OPAQUE\r
 RECURRENCE-ID:20250508T090000\r
-DTSTART:20250508T090000\r
+DTSTART;TZID=Europe/Berlin:20250508T090000\r
+DTEND;TZID=Europe/Berlin:20250508T092500\r
 END:VEVENT\r\n",
         "BEGIN:VEVENT\r
 UID:318ec6503573d9576818daf93dac07317058d95c\r
 DTSTAMP:20250502T132758Z\r
-DTEND;TZID=Europe/Berlin:20250506T092500\r
 SEQUENCE:2\r
 SUMMARY:weekly stuff\r
 TRANSP:OPAQUE\r
 RECURRENCE-ID:20250511T090000\r
-DTSTART:20250511T090000\r
+DTSTART;TZID=Europe/Berlin:20250511T090000\r
+DTEND;TZID=Europe/Berlin:20250511T092500\r
 END:VEVENT\r\n",
         "BEGIN:VEVENT\r
 UID:318ec6503573d9576818daf93dac07317058d95c\r
 DTSTAMP:20250502T132758Z\r
-DTEND;TZID=Europe/Berlin:20250506T092500\r
 SEQUENCE:2\r
 SUMMARY:weekly stuff\r
 TRANSP:OPAQUE\r
 RECURRENCE-ID:20250520T090000\r
-DTSTART:20250520T090000\r
+DTSTART;TZID=Europe/Berlin:20250520T090000\r
+DTEND;TZID=Europe/Berlin:20250520T092500\r
 END:VEVENT\r\n",
     ];
 
@@ -246,6 +246,7 @@ END:VEVENT\r\n",
             .into_iter()
             .map(|event| Emitter::generate(&event))
             .collect();
+        assert_eq!(events.as_slice()[0], EXPANDED[0]);
         assert_eq!(events.as_slice(), &EXPANDED);
     }
 }