diff --git a/s3tests/functional/test_s3.py b/s3tests/functional/test_s3.py
index 0040e43..31002d0 100644
--- a/s3tests/functional/test_s3.py
+++ b/s3tests/functional/test_s3.py
@@ -5671,6 +5671,27 @@ def test_atomic_write_bucket_gone():
     eq(e.reason, 'Not Found')
     eq(e.error_code, 'NoSuchBucket')
 
+@attr(resource='object')
+@attr(method='put')
+@attr(operation='begin to overwrite file with multipart upload then abort')
+@attr(assertion='read back original key contents')
+def test_atomic_multipart_upload_write():
+    bucket = get_new_bucket()
+    key = bucket.new_key('foo')
+    key.set_contents_from_string('bar')
+
+    upload = bucket.initiate_multipart_upload(key)
+
+    key = bucket.get_key('foo')
+    got = key.get_contents_as_string()
+    eq(got, 'bar')
+
+    upload.cancel_upload()
+
+    key = bucket.get_key('foo')
+    got = key.get_contents_as_string()
+    eq(got, 'bar')
+
 @attr(resource='object')
 @attr(method='get')
 @attr(operation='range')