diff --git a/src/visitor/context.ts b/src/visitor/context.ts
index 5bb0c02..af683db 100644
--- a/src/visitor/context.ts
+++ b/src/visitor/context.ts
@@ -1,4 +1,4 @@
-import Ajv from 'ajv';
+import * as Ajv from 'ajv';
 import { Logger } from 'noicejs';
 
 import { VisitorResult } from './result';