diff --git a/Lib/test/test_fstring.py b/Lib/test/test_fstring.py
index 8f6b576b5f785f..325b25db4678d2 100644
--- a/Lib/test/test_fstring.py
+++ b/Lib/test/test_fstring.py
@@ -772,7 +772,7 @@ def __format__(self, format_spec):
         self.assertEqual(f'{CustomFormat():\n}', '\n')
         self.assertEqual(f'{CustomFormat():\u2603}', '☃')
         with self.assertWarns(SyntaxWarning):
-            exec('f"{F():¯\_(ツ)_/¯}"', {'F': CustomFormat})
+            exec(r'f"{F():¯\_(ツ)_/¯}"', {'F': CustomFormat})
 
     def test_side_effect_order(self):
         class X: