diff --git a/matrix/room_events.cc b/matrix/room_events.cc
index 66cc89a56..0789110d2 100644
--- a/matrix/room_events.cc
+++ b/matrix/room_events.cc
@@ -12,7 +12,7 @@ decltype(ircd::m::room::events::viewport_size)
 ircd::m::room::events::viewport_size
 {
 	{ "name",     "ircd.m.room.events.viewport.size" },
-	{ "default",  48L                                },
+	{ "default",  96L                                },
 };
 
 std::pair<int64_t, ircd::m::event::idx>