diff --git a/src/ink/instances.ts b/src/ink/instances.ts
index 389384a..551ab51 100644
--- a/src/ink/instances.ts
+++ b/src/ink/instances.ts
@@ -8,3 +8,4 @@ import type Ink from './ink.js'
 
 const instances = new Map<NodeJS.WriteStream, Ink>()
 export default instances
+