diff --git a/typescript/src/hooks/directionalFeeHook.ts b/typescript/src/hooks/directionalFeeHook.ts
index f609f57..61e1ed1 100644
--- a/typescript/src/hooks/directionalFeeHook.ts
+++ b/typescript/src/hooks/directionalFeeHook.ts
@@ -1,5 +1,6 @@
 import { HookBase } from './types';
 import { MathSol } from '../utils/math';
+import { SwapInput } from '@/vault/types';
 
 
 export type HookStateDirectionalFee = {