diff --git a/deluge/tests/test_torrent.py b/deluge/tests/test_torrent.py
index 773dd8b04..39cd47554 100644
--- a/deluge/tests/test_torrent.py
+++ b/deluge/tests/test_torrent.py
@@ -129,7 +129,7 @@ class TorrentTestCase(BaseTestCase):
             raise unittest.SkipTest('unexpected end of file in bencoded string')
         options = {'seed_mode': True}
         filename = common.get_test_data_file('test_torrent.file.torrent')
-        with open(filename) as _file:
+        with open(filename, 'rb') as _file:
             filedump = b64encode(_file.read())
         torrent_id = self.core.add_torrent_file(filename, filedump, options)
         torrent = self.core.torrentmanager.torrents[torrent_id]
@@ -147,7 +147,7 @@ class TorrentTestCase(BaseTestCase):
             raise unittest.SkipTest('unexpected end of file in bencoded string')
         options = {'seed_mode': True, 'add_paused': True}
         filename = common.get_test_data_file('test_torrent.file.torrent')
-        with open(filename) as _file:
+        with open(filename, 'rb') as _file:
             filedump = b64encode(_file.read())
         torrent_id = self.core.add_torrent_file(filename, filedump, options)
         torrent = self.core.torrentmanager.torrents[torrent_id]
@@ -193,7 +193,7 @@ class TorrentTestCase(BaseTestCase):
         )
 
         filename = common.get_test_data_file('test_torrent.file.torrent')
-        with open(filename) as _file:
+        with open(filename, 'rb') as _file:
             filedump = _file.read()
         resume_data = utf8_encode_structure(resume_data)
         torrent_id = self.core.torrentmanager.add(
diff --git a/deluge/tests/test_torrentmanager.py b/deluge/tests/test_torrentmanager.py
index d5dc8fd32..cc1010379 100644
--- a/deluge/tests/test_torrentmanager.py
+++ b/deluge/tests/test_torrentmanager.py
@@ -50,7 +50,7 @@ class TorrentmanagerTestCase(BaseTestCase):
     @defer.inlineCallbacks
     def test_remove_torrent(self):
         filename = common.get_test_data_file('test.torrent')
-        with open(filename) as _file:
+        with open(filename, 'rb') as _file:
             filedump = _file.read()
         torrent_id = yield self.core.add_torrent_file_async(
             filename, b64encode(filedump), {})
@@ -58,7 +58,7 @@ class TorrentmanagerTestCase(BaseTestCase):
 
     def test_prefetch_metadata(self):
         from deluge._libtorrent import lt
-        with open(common.get_test_data_file('test.torrent')) as _file:
+        with open(common.get_test_data_file('test.torrent'), 'rb') as _file:
             t_info = lt.torrent_info(lt.bdecode(_file.read()))
         mock_alert = mock.MagicMock()
         mock_alert.handle.info_hash = mock.MagicMock(
diff --git a/deluge/ui/web/auth.py b/deluge/ui/web/auth.py
index 3929f949f..4ee526cbe 100644
--- a/deluge/ui/web/auth.py
+++ b/deluge/ui/web/auth.py
@@ -104,7 +104,7 @@ class Auth(JSONComponent):
 
         request.addCookie(
             b'_session_id', session_id + checksum,
-            path=request.base + b'json', expires=expires_str,
+            path=request.base + 'json', expires=expires_str,
         )
 
         log.debug('Creating session for %s', login)