diff --git a/test/test_league_module.rb b/test/test_league_module.rb
index 19dd68b..900ac77 100644
--- a/test/test_league_module.rb
+++ b/test/test_league_module.rb
@@ -26,6 +26,7 @@ class LeagueModuleTest < BaseTest
     assert_instance_of String, league.queue
     assert_instance_of String, league.tier
     assert_instance_of Array, league.entries
+    assert_instance_of String, league.participantId
     league.entries.each do |entry|
       _check_league_item entry
     end