diff --git a/tabellio/icalimport/icalimport.py b/tabellio/icalimport/icalimport.py
index 1009be9..6daa7ff 100644
--- a/tabellio/icalimport/icalimport.py
+++ b/tabellio/icalimport/icalimport.py
@@ -38,7 +38,11 @@ class IcalImport(BrowserView):
         seen_ids = []
         created = 0
         updated = 0
-        for vevent in parsed_cal.vevent_list:
+        try:
+            event_list = parsed_cal.vevent_list
+        except AttributeError:
+            event_list = []
+        for vevent in event_list:
             title = vevent.summary.value
             date_start = vevent.dtstart.value
             if isinstance(date_start, datetime.datetime):