diff --git a/dislocker.py b/dislocker.py
index b45ef14..71a0aac 100644
--- a/dislocker.py
+++ b/dislocker.py
@@ -908,7 +908,7 @@ class DL():
                 cursor.execute("SELECT * FROM pc_list WHERE pc_number = %s", (pc_number,))
                 pc_list = cursor.fetchall()
                 if pc_list:
-                    cursor.execute("DELETE FROM pc_list WHERE pc_number = %s", (pc_number,))
+                    cursor.execute("UPDATE pc_list SET using_member_id = NULL, password_hash = NULL, pc_uuid = NULL, pc_token = NULL, master_password = NULL, detail = NULL, alt_name = NULL WHERE pc_number = %s", (pc_number,))
                     self.db.commit()
                     return {"result": 0, "about": "ok"}
                 else: