diff --git a/forms/top_up.rb b/forms/top_up.rb
index f79e07caf0e1921db2c40f1823655de702cde1ab..9197c1641ff402f817688bb447a39d5c2e969236 100644
--- a/forms/top_up.rb
+++ b/forms/top_up.rb
@@ -7,7 +7,7 @@ field(
 	value: "$#{'%.2f' % @balance}"
 )
 
-field(@payment_methods.to_list_single)
+field(**@payment_methods.to_list_single)
 
 field(
 	datatype: "xs:decimal",