diff --git a/forms/order_sim/with_top_up.rb b/forms/order_sim/with_top_up.rb
index bd0cd8af4bd3e0cf78065751a95a83fb0f66a3c2..02bfbd4d352e88db16bc09aecae0390b8d099ebc 100644
--- a/forms/order_sim/with_top_up.rb
+++ b/forms/order_sim/with_top_up.rb
@@ -6,3 +6,7 @@ field(
 	type: "fixed",
 	description: "with the rest coming from your balance"
 )
+
+@fillable_fields.each do |f|
+	field(**f)
+end