diff --git a/packages/scripts/src/scripts/intergen.ts b/packages/scripts/src/scripts/intergen.ts
index 59f9b7c..89e4c54 100644
--- a/packages/scripts/src/scripts/intergen.ts
+++ b/packages/scripts/src/scripts/intergen.ts
@@ -368,7 +368,8 @@ export function intergen(...argv: string[]): string {
     module: ts.ModuleKind.CommonJS,
   })
 
-  const value = interfaces.join('\n\n')
+  const header = '// This file was generated by rondo intergen script\n\n'
+  const value = header + interfaces.join('\n\n')
   if (args.output === '-') {
     info(value)
   } else {