diff --git a/membershipworks/tasks/scrape.py b/membershipworks/tasks/scrape.py
index 9796bdf..ada35e3 100644
--- a/membershipworks/tasks/scrape.py
+++ b/membershipworks/tasks/scrape.py
@@ -159,6 +159,7 @@ def scrape_events():
 
         if (
             event_ext.end is not None
+            and event_ext.end > event_ext.start
             and event_ext.end - event_ext.start < MAX_MEETING_TIME
         ):
             meeting_times_count = event_ext.meeting_times.count()