diff --git a/tests/unit/commands/test_cmdutils.py b/tests/unit/commands/test_cmdutils.py
index f3a8cbfea..488b46ea8 100644
--- a/tests/unit/commands/test_cmdutils.py
+++ b/tests/unit/commands/test_cmdutils.py
@@ -389,7 +389,7 @@ class TestArgument:
     def test_wrong_order(self):
         """When @cmdutils.argument is used above (after) @register, fail."""
         with pytest.raises(ValueError, match=r"@cmdutils.argument got called "
-                           "above \(after\) @cmdutils.register for fun!"):
+                           r"above \(after\) @cmdutils.register for fun!"):
             @cmdutils.argument('bar', flag='y')
             @cmdutils.register()
             def fun(bar):