diff --git a/assets/scripts/src/choices.js b/assets/scripts/src/choices.js
index 1f70000..da43ff9 100644
--- a/assets/scripts/src/choices.js
+++ b/assets/scripts/src/choices.js
@@ -102,7 +102,7 @@ export default class Choices {
       callbackOnHighlightItem: (id, value, passedInput) => {},
       callbackOnUnhighlightItem: (id, value, passedInput) => {},
       callbackOnChange: (value, passedInput) => {},
-      callbackOnItemSearch: false,
+      callbackOnItemSearch: null,
     };
 
     // Merge options with user options