diff --git a/request/request-tests.ts b/request/request-tests.ts
index 49a5775fe5..64aef2a04f 100644
--- a/request/request-tests.ts
+++ b/request/request-tests.ts
@@ -200,7 +200,7 @@ r.post(options);
 
 request
 .get('http://example.com/example.png')
-.on('response', function(response) {
+.on('response', function(response: any) {
 	// check response
 })
 .pipe(request.put('http://another.com/another.png'));