diff --git a/federationapi/routing/send.go b/federationapi/routing/send.go
index a1151e304..ddd7c4744 100644
--- a/federationapi/routing/send.go
+++ b/federationapi/routing/send.go
@@ -370,19 +370,22 @@ func (t *txnReq) processEvent(ctx context.Context, e gomatrixserverlib.Event) er
 	}
 
 	// We will need to know this when fetching missing auth or prev events.
-	t.servers = []gomatrixserverlib.ServerName{t.Origin}
-	serverReq := &api.QueryServerJoinedToRoomRequest{
-		RoomID: e.RoomID(),
-	}
-	serverRes := &api.QueryServerJoinedToRoomResponse{}
-	if err := t.rsAPI.QueryServerJoinedToRoom(ctx, serverReq, serverRes); err == nil {
-		t.servers = append(t.servers, serverRes.ServerNames...)
-		logger.Infof("Found %d server(s) to query for missing events", len(t.servers))
+	getServers := func() {
+		t.servers = []gomatrixserverlib.ServerName{}
+		serverReq := &api.QueryServerJoinedToRoomRequest{
+			RoomID: e.RoomID(),
+		}
+		serverRes := &api.QueryServerJoinedToRoomResponse{}
+		if err := t.rsAPI.QueryServerJoinedToRoom(ctx, serverReq, serverRes); err == nil {
+			t.servers = append(t.servers, serverRes.ServerNames...)
+			logger.Infof("Found %d server(s) to query for missing events", len(t.servers))
+		}
 	}
 
 	if len(stateResp.MissingAuthEventIDs) > 0 {
 		logger.Infof("Event refers to %d unknown auth_events", len(stateResp.MissingAuthEventIDs))
 
+		getServers()
 		if err := t.retrieveMissingAuthEvents(ctx, e, &stateResp); err != nil {
 			return fmt.Errorf("t.retrieveMissingAuthEvents: %w", err)
 		}
@@ -390,6 +393,7 @@ func (t *txnReq) processEvent(ctx context.Context, e gomatrixserverlib.Event) er
 
 	if len(stateResp.MissingPrevEventIDs) > 0 {
 		logger.Infof("Event refers to %d unknown prev_events", len(stateResp.MissingPrevEventIDs))
+		getServers()
 		return t.processEventWithMissingState(ctx, e, stateResp.RoomVersion)
 	}
 
@@ -420,7 +424,7 @@ func (t *txnReq) retrieveMissingAuthEvents(
 withNextEvent:
 	for missingAuthEventID := range missingAuthEvents {
 	withNextServer:
-		for _, server := range t.servers {
+		for _, server := range append([]gomatrixserverlib.ServerName{t.Origin}, t.servers...) {
 			logger.Infof("Retrieving missing auth event %q from %q", missingAuthEventID, server)
 			tx, err := t.federation.GetEvent(ctx, server, missingAuthEventID)
 			if err != nil {
@@ -994,7 +998,7 @@ func (t *txnReq) lookupEvent(ctx context.Context, roomVersion gomatrixserverlib.
 	}
 	var event gomatrixserverlib.Event
 	found := false
-	for _, serverName := range t.servers {
+	for _, serverName := range append([]gomatrixserverlib.ServerName{t.Origin}, t.servers...) {
 		txn, err := t.federation.GetEvent(ctx, serverName, missingEventID)
 		if err != nil || len(txn.PDUs) == 0 {
 			util.GetLogger(ctx).WithError(err).WithField("event_id", missingEventID).Warn("Failed to get missing /event for event ID")