diff --git a/sshuttle/firewall.py b/sshuttle/firewall.py
index 28167e3..84b249d 100644
--- a/sshuttle/firewall.py
+++ b/sshuttle/firewall.py
@@ -15,6 +15,7 @@ from sshuttle.methods import get_auto_method, get_method
 HOSTSFILE = '/etc/hosts'
 sshuttle_pid = None
 
+
 def rewrite_etc_hosts(hostmap, port):
     BAKFILE = '%s.sbak' % HOSTSFILE
     APPEND = '# sshuttle-firewall-%d AUTOCREATED' % port
@@ -55,6 +56,7 @@ def restore_etc_hosts(hostmap, port):
         debug2('undoing /etc/hosts changes.')
         rewrite_etc_hosts({}, port)
 
+
 def firewall_exit(signum, frame):
     # The typical sshuttle exit is that the main sshuttle process
     # exits, closes file descriptors it uses, and the firewall process
diff --git a/tests/client/test_firewall.py b/tests/client/test_firewall.py
index d249361..76aac89 100644
--- a/tests/client/test_firewall.py
+++ b/tests/client/test_firewall.py
@@ -15,7 +15,7 @@ NSLIST
 {inet},1.2.3.33
 {inet6},2404:6800:4004:80c::33
 PORTS 1024,1025,1026,1027
-GO 1 - 0x01
+GO 1 - 0x01 12345
 HOST 1.2.3.3,existing
 """.format(inet=AF_INET, inet6=AF_INET6))
     stdout = Mock()
diff --git a/tests/client/test_helpers.py b/tests/client/test_helpers.py
index 45e7ea5..8e69d45 100644
--- a/tests/client/test_helpers.py
+++ b/tests/client/test_helpers.py
@@ -24,19 +24,19 @@ def test_log(mock_stderr, mock_stdout):
         call.flush(),
     ]
     assert mock_stderr.mock_calls == [
-        call.write('prefix: message\n'),
+        call.write('prefix: message\r\n'),
         call.flush(),
-        call.write('prefix: abc\n'),
+        call.write('prefix: abc\r\n'),
         call.flush(),
-        call.write('prefix: message 1\n'),
+        call.write('prefix: message 1\r\n'),
         call.flush(),
-        call.write('prefix: message 2\n'),
-        call.write('    line2\n'),
-        call.write('    line3\n'),
+        call.write('prefix: message 2\r\n'),
+        call.write('    line2\r\n'),
+        call.write('    line3\r\n'),
         call.flush(),
-        call.write('prefix: message 3\n'),
-        call.write('    line2\n'),
-        call.write('    line3\n'),
+        call.write('prefix: message 3\r\n'),
+        call.write('    line2\r\n'),
+        call.write('    line3\r\n'),
         call.flush(),
     ]
 
@@ -51,7 +51,7 @@ def test_debug1(mock_stderr, mock_stdout):
         call.flush(),
     ]
     assert mock_stderr.mock_calls == [
-        call.write('prefix: message\n'),
+        call.write('prefix: message\r\n'),
         call.flush(),
     ]
 
@@ -76,7 +76,7 @@ def test_debug2(mock_stderr, mock_stdout):
         call.flush(),
     ]
     assert mock_stderr.mock_calls == [
-        call.write('prefix: message\n'),
+        call.write('prefix: message\r\n'),
         call.flush(),
     ]
 
@@ -101,7 +101,7 @@ def test_debug3(mock_stderr, mock_stdout):
         call.flush(),
     ]
     assert mock_stderr.mock_calls == [
-        call.write('prefix: message\n'),
+        call.write('prefix: message\r\n'),
         call.flush(),
     ]