diff --git a/python/tests/test_1_online.py b/python/tests/test_1_online.py
index 6cc929bf2..160422211 100644
--- a/python/tests/test_1_online.py
+++ b/python/tests/test_1_online.py
@@ -9,7 +9,7 @@ import pytest
 from imap_tools import AND, U
 
 import deltachat as dc
-from deltachat import account_hookimpl, Message
+from deltachat import account_hookimpl, Message, Chat
 from deltachat.tracker import ImexTracker
 
 
@@ -1669,8 +1669,12 @@ def test_qr_setup_contact(acfactory, lp):
     ac1._evtracker.wait_securejoin_inviter_progress(1000)
 
 
-def test_qr_join_chat(acfactory, lp):
+@pytest.mark.parametrize("verified_one_on_one_chats", [0, 1])
+def test_qr_join_chat(acfactory, lp, verified_one_on_one_chats):
     ac1, ac2 = acfactory.get_online_accounts(2)
+    ac1.set_config("verified_one_on_one_chats", verified_one_on_one_chats)
+    ac2.set_config("verified_one_on_one_chats", verified_one_on_one_chats)
+
     lp.sec("ac1: create QR code and let ac2 scan it, starting the securejoin")
     chat = ac1.create_group_chat("hello")
     qr = chat.get_join_qr()
@@ -1683,6 +1687,17 @@ def test_qr_join_chat(acfactory, lp):
     ac2._evtracker.get_matching("DC_EVENT_IMAP_MESSAGE_DELETED")
     ac1._evtracker.wait_securejoin_inviter_progress(1000)
 
+    msg = ac2._evtracker.wait_next_incoming_message()
+    assert msg.text == "Member Me ({}) added by {}.".format(ac2.get_config("addr"), ac1.get_config("addr"))
+
+    # ac1 reloads the chat.
+    chat = Chat(chat.account, chat.id)
+    assert not chat.is_protected()
+
+    # ac2 reloads the chat.
+    ch = Chat(ch.account, ch.id)
+    assert not ch.is_protected()
+
 
 def test_qr_email_capitalization(acfactory, lp):
     """Regression test for a bug