diff --git a/testing/util.py b/testing/util.py
index 42cf07eb..6a66c7c9 100644
--- a/testing/util.py
+++ b/testing/util.py
@@ -53,7 +53,7 @@ def broken_deep_listdir():  # pragma: no cover (platform specific)
     except OSError:
         return True
     try:
-        os.listdir(b'\\\\?\C:' + b'\\' * 300)
+        os.listdir(b'\\\\?\\C:' + b'\\' * 300)
     except TypeError:
         return True
     except OSError:
diff --git a/tests/commands/try_repo_test.py b/tests/commands/try_repo_test.py
index 490cdd56..66d1642d 100644
--- a/tests/commands/try_repo_test.py
+++ b/tests/commands/try_repo_test.py
@@ -19,7 +19,7 @@ def try_repo_opts(repo, ref=None, **kwargs):
 
 def _get_out(cap_out):
     out = cap_out.get().replace('\r\n', '\n')
-    out = re.sub('\[INFO\].+\n', '', out)
+    out = re.sub(r'\[INFO\].+\n', '', out)
     start, using_config, config, rest = out.split('=' * 79 + '\n')
     assert start == ''
     assert using_config == 'Using config:\n'