diff --git a/tests/data/miscellaneous/docstring_preview_no_string_normalization.py b/tests/data/miscellaneous/docstring_preview_no_string_normalization.py
index 0957231eb9c..338cc01d33e 100644
--- a/tests/data/miscellaneous/docstring_preview_no_string_normalization.py
+++ b/tests/data/miscellaneous/docstring_preview_no_string_normalization.py
@@ -3,8 +3,8 @@ def do_not_touch_this_prefix():
 
 
 def do_not_touch_this_prefix2():
-    F'There was a bug where docstring prefixes would be normalized even with -S.'
+    FR'There was a bug where docstring prefixes would be normalized even with -S.'
 
 
 def do_not_touch_this_prefix3():
-    uR'''There was a bug where docstring prefixes would be normalized even with -S.'''
+    u'''There was a bug where docstring prefixes would be normalized even with -S.'''