diff --git a/src/tests/dbus-tests/test_30_iscsi.py b/src/tests/dbus-tests/test_30_iscsi.py
index 6ecf22a4f..7e71c4bf8 100644
--- a/src/tests/dbus-tests/test_30_iscsi.py
+++ b/src/tests/dbus-tests/test_30_iscsi.py
@@ -164,7 +164,7 @@ def test_login_chap_auth(self):
         options['node.session.auth.chap_algs'] = 'SHA3-256,SHA256,SHA1'  # disallow MD5
         options['username'] = self.initiator
 
-        msg = 'Login failed: initiator reported error \(24 - iSCSI login failed due to authorization failure\)'
+        msg = r'Login failed: initiator reported error \(24 - iSCSI login failed due to authorization failure\)'
         # missing auth info
         with six.assertRaisesRegex(self, dbus.exceptions.DBusException, msg):
             manager.Login(iqn, tpg, host, port, iface, self.no_options,
diff --git a/src/tests/dbus-tests/test_80_filesystem.py b/src/tests/dbus-tests/test_80_filesystem.py
index 71c011ae0..59946720c 100644
--- a/src/tests/dbus-tests/test_80_filesystem.py
+++ b/src/tests/dbus-tests/test_80_filesystem.py
@@ -482,7 +482,7 @@ def test_custom_option(self, should_fail, dbus_option, should_be_present, config
                 else:
                     mnt_path = block_fs.Mount(dd, dbus_interface=self.iface_prefix + '.Filesystem')
                     self.assertTrue(os.path.ismount(mnt_path))
-                    _ret, out = self.run_command('mount | grep %s | sed "s/.*(\(.*\))/\\1/"' % block_fs_dev)
+                    _ret, out = self.run_command(r'mount | grep %s | sed "s/.*(\(.*\))/\\1/"' % block_fs_dev)
                     if dbus_option is not None:
                         if should_be_present:
                             self.assertIn(dbus_option, out)
diff --git a/src/tests/integration-test b/src/tests/integration-test
index 4e7aa2699..8d7ffcf9d 100755
--- a/src/tests/integration-test
+++ b/src/tests/integration-test
@@ -387,7 +387,7 @@ class UDisksTestCase(unittest.TestCase):
 
         # read make variables
         make_vars = {}
-        var_re = re.compile('^([a-zA-Z_]+) = (.*)$')
+        var_re = re.compile(r'^([a-zA-Z_]+) = (.*)$')
         make = subprocess.Popen(['make', '-p', '/dev/null'],
                                 stdout=subprocess.PIPE)
         for l in make.stdout:
@@ -398,7 +398,7 @@ class UDisksTestCase(unittest.TestCase):
         make.wait()
 
         # expand make variables
-        subst_re = re.compile('\${([a-zA-Z_]+)}')
+        subst_re = re.compile(r'${([a-zA-Z_]+)}')
         for (k, v) in make_vars.items():
             while True:
                 m = subst_re.search(v)
@@ -1044,13 +1044,13 @@ class FS(UDisksTestCase):
 
         # change label
         supported = True
-        l = 'n"a\m\\"e' + fs_type
+        l = r'n"a$m\"e' + fs_type
         if fs_type == 'vfat':
             # VFAT does not support some characters
             self.assertRaises(GLib.GError, fs.call_set_label_sync, l, no_options, None)
-            l = "n@a$me"
+            l = r'n@a$me'
         elif fs_type == 'exfat':
-            l = 'n"a\m\\"exft'
+            l = r'n"a$m\"exft'
         try:
             fs.call_set_label_sync(l, no_options, None)
         except GLib.GError as e: