diff --git a/app/models/task.py b/app/models/task.py
index d6410779..0a75fb60 100644
--- a/app/models/task.py
+++ b/app/models/task.py
@@ -745,6 +745,7 @@ class Task(models.Model):
                 logger.info("Populated extent field with {} for {}".format(raster_path, self))
 
         self.update_available_assets_field()
+        self.potree_scene = {}
         self.running_progress = 1.0
         self.console_output += gettext("Done!") + "\n"
         self.status = status_codes.COMPLETED