diff --git a/aleksis/apps/untis/util/mysql/importers/absences.py b/aleksis/apps/untis/util/mysql/importers/absences.py
index 8f17e7b893f6d72b9ab66122e57a600c35a8e9c3..fb9df1f39dc4dae2da49d99f707ae06d335f8cd1 100644
--- a/aleksis/apps/untis/util/mysql/importers/absences.py
+++ b/aleksis/apps/untis/util/mysql/importers/absences.py
@@ -158,6 +158,7 @@ def import_absences(
                     datetime_end=affected_event["DTEND"].dt,
                     defaults=dict(
                         cancelled=True,
+                        current_change=True,
                         slot_number_start=ref_object.slot_number_start,
                         slot_number_end=ref_object.slot_number_end,
                     ),
diff --git a/aleksis/apps/untis/util/mysql/importers/events.py b/aleksis/apps/untis/util/mysql/importers/events.py
index fa9803aa54a466ed9073ce8a33e213f7cf352118..1037fd80314bb632457df404b9e07e209e831e8f 100644
--- a/aleksis/apps/untis/util/mysql/importers/events.py
+++ b/aleksis/apps/untis/util/mysql/importers/events.py
@@ -117,6 +117,7 @@ def import_events(
                 "slot_number_start": slot_start.period,
                 "slot_number_end": slot_end.period,
                 "cancelled": False,
+                "current_change": True,
             },
         )
 
diff --git a/aleksis/apps/untis/util/mysql/importers/substitutions.py b/aleksis/apps/untis/util/mysql/importers/substitutions.py
index 9c4b9b169f898ba5e26e256a1b6cdee4d32e6d71..41f3a53225c64176bc2239835b54b9e472015541 100644
--- a/aleksis/apps/untis/util/mysql/importers/substitutions.py
+++ b/aleksis/apps/untis/util/mysql/importers/substitutions.py
@@ -169,6 +169,7 @@ def import_substitutions(
                         "comment": comment,
                         "slot_number_start": lesson.slot_start.period,
                         "slot_number_end": lesson.slot_end.period,
+                        "current_change": True,
                     },
                 )
 
@@ -215,6 +216,7 @@ def import_substitutions(
                             "comment": comment,
                             "slot_number_start": slot.period,
                             "slot_number_end": slot.period,
+                            "current_change": True,
                         },
                     )
                 )