diff --git a/code/12-finished/src/hooks/use-input.js b/code/12-finished/src/hooks/use-input.js
index db66cc4635..88b447ef2a 100644
--- a/code/12-finished/src/hooks/use-input.js
+++ b/code/12-finished/src/hooks/use-input.js
@@ -15,7 +15,7 @@ const inputStateReducer = (state, action) => {
   if (action.type === 'RESET') {
     return { isTouched: false, value: '' };
   }
-  return inputStateReducer;
+  return initialInputState;
 };
 
 const useInput = (validateValue) => {