diff --git a/pkg/settlement/swap/headers/export_test.go b/pkg/settlement/swap/headers/export_test.go
new file mode 100644
index 00000000000..b63e0caec5b
--- /dev/null
+++ b/pkg/settlement/swap/headers/export_test.go
@@ -0,0 +1,10 @@
+// Copyright 2021 The Swarm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package swap
+
+const (
+	ExchangeRateFieldName = exchangeRateFieldName
+	DeductionFieldName    = deductionFieldName
+)