diff --git a/src/Vervis/API.hs b/src/Vervis/API.hs
index bb443a3..4fc0465 100644
--- a/src/Vervis/API.hs
+++ b/src/Vervis/API.hs
@@ -1136,7 +1136,7 @@ createPatchTrackerC (Entity pidUser personUser) senderActor maybeCap localRecips
 
     insertLoom now name msummary obiidCreate repoID = do
         actor@(Entity actorID _) <-
-            insertActor now name (fromMaybe "" msummary)
+            insertActor now name (fromMaybe "" msummary) (Just $ personActor personUser)
         loomID <- insert Loom
             { loomNextTicket = 1
             , loomActor      = actorID
@@ -1372,7 +1372,7 @@ createRepositoryC (Entity pidUser personUser) senderActor maybeCap localRecips r
 
     insertRepo now name msummary createID = do
         actor@(Entity actorID _) <-
-            insertActor now name (fromMaybe "" msummary)
+            insertActor now name (fromMaybe "" msummary) (Just $ personActor personUser)
         repoID <- insert Repo
             { repoVcs        = vcs
             , repoProject    = Nothing
@@ -1635,6 +1635,7 @@ createTicketTrackerC (Entity pidUser personUser) senderActor maybeCap localRecip
             , actorInbox     = ibid
             , actorOutbox    = obid
             , actorFollowers = fsid
+            , actorJustCreatedBy = Just $ personActor personUser
             }
         did <- insert Deck
             { deckActor      = aid
diff --git a/src/Vervis/Foundation.hs b/src/Vervis/Foundation.hs
index b3de164..7b38726 100644
--- a/src/Vervis/Foundation.hs
+++ b/src/Vervis/Foundation.hs
@@ -666,6 +666,7 @@ instance AccountDB AccountPersistDB' where
                 , actorInbox     = ibid
                 , actorOutbox    = obid
                 , actorFollowers = fsid
+                , actorJustCreatedBy = Nothing
                 }
         aid <- insert actor
         let defTime = UTCTime (ModifiedJulianDay 0) 0
diff --git a/src/Vervis/Migration.hs b/src/Vervis/Migration.hs
index 8b9000c..08e4cd6 100644
--- a/src/Vervis/Migration.hs
+++ b/src/Vervis/Migration.hs
@@ -2954,6 +2954,8 @@ changes hLocal ctx =
     , removeEntity "Role"
       -- 539
     , addFieldPrimRequired "Collab" ("RoleAdmin" :: String) "role"
+      -- 540
+    , addFieldRefOptional "Actor" Nothing "justCreatedBy" "Actor"
     ]
 
 migrateDB
diff --git a/src/Vervis/Persist/Actor.hs b/src/Vervis/Persist/Actor.hs
index 30e8776..eccf518 100644
--- a/src/Vervis/Persist/Actor.hs
+++ b/src/Vervis/Persist/Actor.hs
@@ -129,7 +129,7 @@ getRemoteActorURI actor = do
             (instanceHost inztance)
             (remoteObjectIdent object)
 
-insertActor now name desc = do
+insertActor now name desc mby = do
     ibid <- insert Inbox
     obid <- insert Outbox
     fsid <- insert FollowerSet
@@ -140,6 +140,7 @@ insertActor now name desc = do
             , actorInbox     = ibid
             , actorOutbox    = obid
             , actorFollowers = fsid
+            , actorJustCreatedBy = mby
             }
     actorID <- insert actor
     return $ Entity actorID actor
diff --git a/th/models b/th/models
index 306238c..ff1e379 100644
--- a/th/models
+++ b/th/models
@@ -118,6 +118,7 @@ Actor
     inbox     InboxId
     outbox    OutboxId
     followers FollowerSetId
+    justCreatedBy ActorId Maybe
 
     UniqueActorInbox     inbox
     UniqueActorOutbox    outbox