diff --git a/lib/api.rb b/lib/api.rb
index 39a465f..e609ba0 100644
--- a/lib/api.rb
+++ b/lib/api.rb
@@ -38,11 +38,7 @@ helpers do
   end
 
   def symbols
-    @symbols ||= begin
-      params.values_at('symbols', 'currencies').first.tap do |symbols|
-        symbols.split(',') if symbols
-      end
-    end
+    @symbols ||= params.values_at('symbols', 'currencies').first
   end
 
   def jsonp(data)