diff --git a/integration/test/Test/Conversation.hs b/integration/test/Test/Conversation.hs
index e1855965d55..18eb6bdbd63 100644
--- a/integration/test/Test/Conversation.hs
+++ b/integration/test/Test/Conversation.hs
@@ -308,24 +308,38 @@ testAddUnreachableUserFromFederatingBackend :: HasCallStack => App ()
 testAddUnreachableUserFromFederatingBackend = do
   resourcePool <- asks resourcePool
   runCodensity (acquireResources 1 resourcePool) $ \[cDom] -> do
-    (alice, chadId, conv) <- runCodensity (startDynamicBackend cDom mempty) $ \_ -> do
+    (alice, chad, chad1, qcnv) <- runCodensity (startDynamicBackend cDom mempty) $ \_ -> do
       ownDomain <- make OwnDomain & asString
       otherDomain <- make OtherDomain & asString
       [alice, bob, charlie, chad] <-
         createAndConnectUsers [ownDomain, otherDomain, cDom.berDomain, cDom.berDomain]
+      chad1 <- objId $ bindResponse (addClient chad def) $ getJSON 201
 
-      conv <- withWebSockets [bob, charlie] $ \wss -> do
+      qcnv <- withWebSockets [bob, charlie] $ \wss -> do
         conv <-
           postConversation alice (defProteus {qualifiedUsers = [bob, charlie]})
             >>= getJSON 201
         forM_ wss $ awaitMatch 5 isMemberJoinNotif
-        pure conv
-      chadId <- chad %. "qualified_id"
-      pure (alice, chadId, conv)
+        let qcnv = conv %. "qualified_id"
+        pure qcnv
+      pure (alice, chad, chad1, qcnv)
 
-    bindResponse (addMembers alice conv def {users = [chadId]}) $ \resp -> do
-      resp.status `shouldMatchInt` 533
-      resp.jsonBody %. "unreachable_backends" `shouldMatchSet` [cDom.berDomain]
+    chadId <- chad %. "qualified_id"
+    bindResponse (addMembers alice qcnv def {users = [chad]}) $ \resp -> do
+      resp.status `shouldMatchInt` 200
+      let event = resp.jsonBody
+      shouldMatch (event %. "qualified_conversation") qcnv
+      shouldMatch (event %. "type") "conversation.member-join"
+      shouldMatch (event %. "from") (objId alice)
+      members <- event %. "data.users" & asList
+      memberQids <- for members (%. "qualified_id")
+      memberQids `shouldMatch` [chadId]
+
+    runCodensity (startDynamicBackend cDom mempty) $ \_ -> do
+      n <- awaitNotification chad chad1 noValue 10 isMemberJoinNotif
+      members <- n %. "payload.0.data.users" & asList
+      memberQids <- for members (%. "qualified_id")
+      memberQids `shouldMatch` [chadId]
 
 testAddUnreachable :: HasCallStack => App ()
 testAddUnreachable = do
diff --git a/integration/test/Test/MLS/Unreachable.hs b/integration/test/Test/MLS/Unreachable.hs
index 16f8c6acc55..f4a58af4288 100644
--- a/integration/test/Test/MLS/Unreachable.hs
+++ b/integration/test/Test/MLS/Unreachable.hs
@@ -78,7 +78,7 @@ testAddUnreachableUserFromFederatingBackend :: HasCallStack => App ()
 testAddUnreachableUserFromFederatingBackend = do
   resourcePool <- asks resourcePool
   runCodensity (acquireResources 1 resourcePool) $ \[cDom] -> do
-    mp <- runCodensity (startDynamicBackend cDom mempty) $ \_ -> do
+    ((alice, chad), mp, qcnv) <- runCodensity (startDynamicBackend cDom mempty) $ \_ -> do
       ownDomain <- make OwnDomain & asString
       otherDomain <- make OtherDomain & asString
       [alice, bob, charlie, chad] <-
@@ -86,12 +86,26 @@ testAddUnreachableUserFromFederatingBackend = do
 
       [alice1, bob1, charlie1, chad1] <- traverse (createMLSClient def) [alice, bob, charlie, chad]
       traverse_ uploadNewKeyPackage [bob1, charlie1, chad1]
-      void $ createNewGroup alice1
+      qcnv <- snd <$> createNewGroup alice1
       withWebSockets [bob, charlie] $ \wss -> do
         void $ createAddCommit alice1 [bob, charlie] >>= sendAndConsumeCommitBundle
         forM_ wss $ awaitMatch 5 isMemberJoinNotif
-      createAddCommit alice1 [chad]
+      mp <- createAddCommit alice1 [chad]
+      pure ((alice, chad), mp, qcnv)
 
-    bindResponse (postMLSCommitBundle mp.sender (mkBundle mp)) $ \resp -> do
-      resp.status `shouldMatchInt` 533
-      resp.jsonBody %. "unreachable_backends" `shouldMatchSet` [cDom.berDomain]
+    resp <- sendAndConsumeCommitBundle mp
+    chadId <- chad %. "qualified_id"
+    events <- resp %. "events" & asList
+    do
+      event <- assertOne events
+      shouldMatch (event %. "qualified_conversation") qcnv
+      shouldMatch (event %. "type") "conversation.member-join"
+      shouldMatch (event %. "from") (objId alice)
+      members <- event %. "data" %. "users" & asList
+      memberQids <- for members $ \mem -> mem %. "qualified_id"
+      shouldMatch memberQids [chadId]
+
+    runCodensity (startDynamicBackend cDom mempty) $ \_ ->
+      withWebSocket chad $ \ws -> do
+        n <- awaitMatch 10 isMemberJoinNotif ws
+        n %. "data.qualified_target" `shouldMatch` chadId