diff --git a/sgx_jmp.rb b/sgx_jmp.rb
index 751c028c9a66b19d2e6bd1ec7e5a29dcce23aba2..275a81b9149022c8d6d8bb6d02b5b211bb603b06 100644
--- a/sgx_jmp.rb
+++ b/sgx_jmp.rb
@@ -950,7 +950,7 @@ Command.new(
 			reply.command << FormTemplate.render("snikket_launch")
 		}.then { |response|
 			domain = response.form.field("domain").value.to_s
-			test_instance = response.field("test_instance")&.value.to_s
+			test_instance = response.form.field("test_instance")&.value.to_s
 			IQ_MANAGER.write(Snikket::Launch.new(
 				nil, CONFIG[:snikket_hosting_api],
 				domain: domain, test_instance: test_instance