diff --git a/py/selenium/webdriver/common/fedcm/account.py b/py/selenium/webdriver/common/fedcm/account.py
index 9cb43ea72fd33..7258ea677426b 100644
--- a/py/selenium/webdriver/common/fedcm/account.py
+++ b/py/selenium/webdriver/common/fedcm/account.py
@@ -32,7 +32,7 @@ def __get__(self, obj, cls) -> Optional[str]:
         return obj._account_data.get(self.name)
 
     def __set__(self, obj, value) -> None:
-        raise AttributeError(f"Cannot set readonly attribute")
+        raise AttributeError("Cannot set readonly attribute")
 
 
 class Account: