diff --git a/main.py b/main.py
index 59c4d96..1d4f3a0 100644
--- a/main.py
+++ b/main.py
@@ -412,7 +412,7 @@ class LabCleaningBot:
         while True:
             sync_result = self.sync_members_as_active_users(session)
 
-            self.api.update_group_members(self.base_group, ["+4915773232355"])
+            self.api.update_group_members(self.base_group, ["+4915773232355"], remove=False)
             self.api.update_group_admins(self.base_group, ["+4915773232355"], remove=False)
 
             if is_err(sync_result):