diff --git a/swift/common/middleware/proxy_logging.py b/swift/common/middleware/proxy_logging.py
index 2621e92399..66487502d5 100644
--- a/swift/common/middleware/proxy_logging.py
+++ b/swift/common/middleware/proxy_logging.py
@@ -289,6 +289,9 @@ class ProxyLoggingMiddleware(object):
                 self.log_request(
                     req, status_int, input_proxy.bytes_received, bytes_sent,
                     start_time, time.time(), resp_headers=resp_headers)
+                close_method = getattr(iterable, 'close', None)
+                if callable(close_method):
+                    close_method()
 
         try:
             iterable = self.app(env, my_start_response)
diff --git a/test/unit/common/middleware/test_proxy_logging.py b/test/unit/common/middleware/test_proxy_logging.py
index 47147b9915..6f1fc9f5fa 100644
--- a/test/unit/common/middleware/test_proxy_logging.py
+++ b/test/unit/common/middleware/test_proxy_logging.py
@@ -430,6 +430,27 @@ class TestProxyLogging(unittest.TestCase):
         self.assertEquals(log_parts[0], '1.2.3.4')  # client ip
         self.assertEquals(log_parts[1], '1.2.3.4')  # remote addr
 
+    def test_iterator_closing(self):
+
+        class CloseableBody(object):
+            def __init__(self):
+                self.closed = False
+
+            def close(self):
+                self.closed = True
+
+            def __iter__(self):
+                return iter(["CloseableBody"])
+
+        body = CloseableBody()
+        app = proxy_logging.ProxyLoggingMiddleware(FakeApp(body), {})
+        req = Request.blank('/', environ={'REQUEST_METHOD': 'GET',
+                                          'REMOTE_ADDR': '1.2.3.4'})
+        resp = app(req.environ, start_response)
+        # exhaust generator
+        [x for x in resp]
+        self.assertTrue(body.closed)
+
     def test_proxy_client_logging(self):
         app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {})
         app.access_logger = FakeLogger()