diff --git a/exercises/concept/blackjack/blackjack_test.rb b/exercises/concept/blackjack/blackjack_test.rb
index 3ba0850bb7..d509e1910c 100644
--- a/exercises/concept/blackjack/blackjack_test.rb
+++ b/exercises/concept/blackjack/blackjack_test.rb
@@ -131,7 +131,7 @@ def test_first_turn_blackjack_with_five_for_dealer
   end
 
   def test_first_turn_blackjack_with_nine_for_dealer
-    assert_equal "W", Blackjack.first_turn("ace", "king", "none")
+    assert_equal "W", Blackjack.first_turn("ace", "king", "nine")
   end
 
   def test_first_turn_score_of_20