diff --git a/tests/test_s3.py b/tests/test_s3.py
index bd90741bf..650924e12 100644
--- a/tests/test_s3.py
+++ b/tests/test_s3.py
@@ -60,7 +60,10 @@ def test_stream_write(self):
         content = self.gen_random_string(8 * 1024 * 1024)
         io = StringIOWithError(content)
         assert not self._storage.exists(filename)
-        self._storage.stream_write(filename, io)
+        try:
+            self._storage.stream_write(filename, io)
+        except IOError:
+            pass
         assert self._storage.exists(filename)
         # Test that EOFed io string throws IOError on lib/storage/s3
         try: