diff --git a/src/c3nav/editor/models/changeset.py b/src/c3nav/editor/models/changeset.py
index 93ca904f..430a8a41 100644
--- a/src/c3nav/editor/models/changeset.py
+++ b/src/c3nav/editor/models/changeset.py
@@ -553,6 +553,8 @@ class ChangeSet(models.Model):
 
     def apply(self, user):
         with MapUpdate.lock():
+            changed_geometries.reset()
+
             self._clean_changes()
             changed_objects = self.relevant_changed_objects()
             created_objects = []