diff --git a/tests/fake_server.py b/tests/fake_server.py
index ead9e9e..d93cadb 100644
--- a/tests/fake_server.py
+++ b/tests/fake_server.py
@@ -103,7 +103,7 @@ class FakeClientHandler(object):
         # Called upon entering the play state.
         self.write_packet(clientbound.play.JoinGamePacket(
             entity_id=0, game_mode=0, dimension=0, hashed_seed=12345,
-            difficulty=2, max_players=1, level_type='default',
+            difficulty=2, max_players=1, is_debug=False, is_flat=False,
             reduced_debug_info=False, render_distance=9, respawn_screen=False))
 
     def handle_play_packet(self, packet):