diff --git a/577.patch b/577.patch
new file mode 100644
index 0000000..eb3a66a
--- /dev/null
+++ b/577.patch
@@ -0,0 +1,43 @@
+--- /kombu/transport/qpid.py	2016-04-01 16:59:49.698901199 -0400
++++ /kombu/transport/qpid.py.modified	2016-04-01 16:59:43.643873453 -0400
+@@ -1396,6 +1396,7 @@
+         self.r, self._w = os.pipe()
+         if fcntl is not None:
+             fcntl.fcntl(self.r, fcntl.F_SETFL, os.O_NONBLOCK)
++        self.use_async_interface = False
+ 
+     def verify_runtime_environment(self):
+         """Verify that the runtime environment is acceptable.
+@@ -1435,10 +1436,12 @@
+                 'qpid-python`.')
+ 
+     def _qpid_message_ready_handler(self, session):
+-        os.write(self._w, '0')
++        if self.use_async_interface:
++            os.write(self._w, '0')
+ 
+     def _qpid_async_exception_notify_handler(self, obj_with_exception, exc):
+-        os.write(self._w, 'e')
++        if self.use_async_interface:
++            os.write(self._w, 'e')
+ 
+     def on_readable(self, connection, loop):
+         """Handle any messages associated with this Transport.
+@@ -1519,6 +1522,7 @@
+         :param loop: A reference to the external loop.
+         :type loop: kombu.async.hub.Hub
+         """
++        self.use_async_interface = True
+         loop.add_reader(self.r, self.on_readable, connection, loop)
+ 
+     def establish_connection(self):
+--- /kombu/tests/transport/test_qpid.py	2016-04-01 17:10:59.140637210 -0400
++++ /kombu/tests/transport/test_qpid.py.modified	2016-04-01 17:13:40.708274142 -0400
+@@ -1788,6 +1788,7 @@
+         self.patch_a = patch(QPID_MODULE + '.os.write')
+         self.mock_os_write = self.patch_a.start()
+         self.transport = Transport(Mock())
++        self.transport.register_with_event_loop(Mock(), Mock())
+ 
+     def tearDown(self):
+         self.patch_a.stop()
diff --git a/python-kombu.spec b/python-kombu.spec
index 3312467..ed7562a 100644
--- a/python-kombu.spec
+++ b/python-kombu.spec
@@ -6,7 +6,7 @@
 
 Name:           python-%{srcname}
 Version:        3.0.33
-Release:        4%{?dist}
+Release:        5%{?dist}
 Epoch:          1
 Summary:        An AMQP Messaging Framework for Python
 
@@ -18,6 +18,7 @@ Source0:        http://pypi.python.org/packages/source/k/%{srcname}/%{srcname}-%
 Patch0:         563.patch
 Patch1:         569.patch
 Patch2:         571.patch
+Patch3:         577.patch
 BuildArch:      noarch
 
 BuildRequires:  python2-devel
@@ -96,6 +97,7 @@ This subpackage is for python3
 %patch0 -p1
 %patch1 -p1
 %patch2 -p1
+%patch3 -p1
 
 %if 0%{?with_python3}
 cp -a . %{py3dir}
@@ -141,6 +143,9 @@ sed -i 's!/usr/bin/python$!/usr/bin/python3!' %{buildroot}/%{python3_sitelib}/ko
 %endif
 
 %changelog
+* Wed Apr 06 2016 Brian Bouterse <bmbouter@redhat.com> - 1:3.0.33-5
+- Adds patch to fix upstream issue 577
+
 * Tue Feb 23 2016 Brian Bouterse <bmbouter@redhat.com> - 1:3.0.33-4
 - Adds patch to fix upstream issue 569
 - Adds patch to fix upstream issue 571