diff --git a/lib/btc_sell_prices.rb b/lib/btc_sell_prices.rb
index ed36b25b826e26864a212ff3356d9d5b0f15e652..266be82cac94389edd0f819d76cddc97068a34d2 100644
--- a/lib/btc_sell_prices.rb
+++ b/lib/btc_sell_prices.rb
@@ -49,8 +49,8 @@ protected
 
 			EM.promise_defer {
 				# OXR gem is not async, so defer to threadpool
-				oxr.update_rates
-				oxr.get_rate("CAD", "USD")
+				@oxr.update_rates
+				@oxr.get_rate("CAD", "USD")
 			}.then do |orate|
 				@redis.set("cad_to_usd", orate, ex: 60 * 60).then { orate }
 			end