diff --git a/types/stream-to-promise/stream-to-promise-tests.ts b/types/stream-to-promise/stream-to-promise-tests.ts
index 95ce74b3aa..6ed2ee7b71 100644
--- a/types/stream-to-promise/stream-to-promise-tests.ts
+++ b/types/stream-to-promise/stream-to-promise-tests.ts
@@ -1,4 +1,4 @@
-import * as stp from 'stream-to-promise';
+import stp = require('stream-to-promise');
 import * as fs from 'fs';
 
 const read = fs.createReadStream(__filename);