diff --git a/modules/ical.py b/modules/ical.py
index 7a6d79f..1c4cbd7 100644
--- a/modules/ical.py
+++ b/modules/ical.py
@@ -77,8 +77,13 @@ class IcalModule:
                                 elif "SA" in rrule["BYDAY"]:
                                     weekday = 5
 
-                                start = next_weekday(today, weekday).replace(hour=start.hour, minute=start.minute, second=start.second, microsecond=start.microsecond)
-                                end = next_weekday(today, weekday).replace(hour=end.hour, minute=end.minute, second=end.second, microsecond=end.microsecond)
+                                diff = end - start
+
+                                if isinstance(start, datetime):
+                                    start = next_weekday(today, weekday).replace(hour=start.hour, minute=start.minute, second=start.second, microsecond=start.microsecond)
+                                else:
+                                    start = next_weekday(todayd, weekday)
+                                end = start + diff
 
                                 component["DTSTART"] = vDDDTypes(start)
                                 component["DTEND"] = vDDDTypes(end)