diff --git a/coin.rb b/coin.rb
index 8b5d237..f49a4c8 100644
--- a/coin.rb
+++ b/coin.rb
@@ -167,7 +167,7 @@ bot.message(in: Integer(ENV['BOT_CHANNEL'])) do |event|
 
   if result == user_result
     get_coin(event, MATH_PROBLEM_COIN_GAIN)
-  else
+  elsif user_result.is_a? Integer
     event.respond "Nice try, but you're wrong!"
   end
 end