diff --git a/lib/vdl/codegen/javascript/gen.go b/lib/vdl/codegen/javascript/gen.go
index 2f0bdf5..c213899 100644
--- a/lib/vdl/codegen/javascript/gen.go
+++ b/lib/vdl/codegen/javascript/gen.go
@@ -390,12 +390,11 @@
 // complicated logic is delegated to the helper functions above.
 //
 // We try to generate code that has somewhat reasonable formatting.
-const genJS = `
-{{with $data := .}}
-// Copyright 2015 The Vanadium Authors. All rights reserved.
+const genJS = `// Copyright 2015 The Vanadium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+{{with $data := .}}
 // This file was auto-generated by the vanadium vdl tool.
 {{generateSystemImports $data}}