diff --git a/clientapi/routing/createroom.go b/clientapi/routing/createroom.go
index d40d84a79..3f92b7ba6 100644
--- a/clientapi/routing/createroom.go
+++ b/clientapi/routing/createroom.go
@@ -245,7 +245,9 @@ func createRoom(
 	case presetTrustedPrivateChat:
 		joinRuleContent.JoinRule = gomatrixserverlib.Invite
 		historyVisibilityContent.HistoryVisibility = historyVisibilityShared
-		// TODO If trusted_private_chat, all invitees are given the same power level as the room creator.
+		for _, invitee := range r.Invite {
+			powerLevelContent.Users[invitee] = 100
+		}
 	case presetPublicChat:
 		joinRuleContent.JoinRule = gomatrixserverlib.Public
 		historyVisibilityContent.HistoryVisibility = historyVisibilityShared