diff --git a/typescript/option/src/helpers/map.ts b/typescript/option/src/helpers/map.ts
index 01f850b..672b6a8 100644
--- a/typescript/option/src/helpers/map.ts
+++ b/typescript/option/src/helpers/map.ts
@@ -1,11 +1,10 @@
 import { match } from './match'
 import { Mapper } from '../internalTypes'
 import { Option, Some, None } from '../types'
-import { compL } from '@thi.ng/compose'
 
 export const map = <T, U>(
     mapper: Mapper<T, U>,
     option: Option<T>
 ): Option<U> => {
-    return match(compL(mapper, Some), None, option)
+    return match(v => Some(mapper(v)), None, option)
 }