diff --git a/types/handsontable/index.d.ts b/types/handsontable/index.d.ts
index 55e2d25e4d..4d79957d45 100644
--- a/types/handsontable/index.d.ts
+++ b/types/handsontable/index.d.ts
@@ -450,7 +450,7 @@ declare namespace ht {
         TextEditor: EditorConstructor;
     }
 
-    type Validator = (value: string, callback: (condition: boolean) => void) => void;
+    type Validator = (value: any, callback: (condition: boolean) => void) => void;
 
     interface Renderers {
         TextRenderer: CellRenderer;