diff --git a/lib/simple_swap.rb b/lib/simple_swap.rb
index 11e852535f32878ccfbbbc458246705a4acfb2cd..cb1bc72d63f4a47bbe290f66996cfd10104df9d5 100644
--- a/lib/simple_swap.rb
+++ b/lib/simple_swap.rb
@@ -39,7 +39,7 @@ class SimpleSwap
 				fixed: false,
 				currency_from: currency,
 				currency_to: "btc",
-				amount: currency == "xmr" ? 0.1 : 0.01,
+				amount: currency.downcase == "xmr" ? 0.1 : 0.01,
 				address_to: target
 			}.to_json
 		).then(&method(:parse))