diff --git a/prog2/BlackJack.lua b/prog2/BlackJack.lua
index 8d0d9dc..93b26e3 100644
--- a/prog2/BlackJack.lua
+++ b/prog2/BlackJack.lua
@@ -89,7 +89,7 @@ money = tonumber(money)
 print("what is your bet?")
 local bet = io.read()
 bet = tonumber(bet)
-if bet < 20 then
+if not bet or bet < 20 then
     bet = 20
 end
 if bet > money then