diff --git a/src/ics_cal/icshelper.py b/src/ics_cal/icshelper.py
index d3d3489..7696fd5 100644
--- a/src/ics_cal/icshelper.py
+++ b/src/ics_cal/icshelper.py
@@ -67,4 +67,4 @@ def retrieve_events(self, ics_url, startDatetime, endDatetime, localTZ):
 
                 event_list.append(new_event)
 
-        return event_list
+        return sorted(event_list, key=lambda k: k["startDatetime"])