diff --git a/src/test/progress-stream-test.js b/src/test/progress-stream-test.js
index 099141c41..a2bae1e5b 100644
--- a/src/test/progress-stream-test.js
+++ b/src/test/progress-stream-test.js
@@ -17,7 +17,7 @@ describe('progress stream', function () {
         stream.pipeline(input, progress, output, function (error) {
             expect(error).to.not.be.ok();
             const size = fs.statSync(`${__dirname}/progress-stream-test.js`).size;
-            expect(progress._transferred).to.be(size);
+            expect(progress.stats().transferred).to.be(size);
 
             done();
         });