diff --git a/Lib/test/test_gettext.py b/Lib/test/test_gettext.py
index 69ffcb7d296..634c6071938 100644
--- a/Lib/test/test_gettext.py
+++ b/Lib/test/test_gettext.py
@@ -75,6 +75,7 @@ class GettextBaseTest(unittest.TestCase):
         fp.close()
         self.env = support.EnvironmentVarGuard()
         self.env['LANGUAGE'] = 'xx'
+        gettext._translations.clear()
 
     def tearDown(self):
         self.env.__exit__()
diff --git a/Misc/NEWS b/Misc/NEWS
index 92188254b6a..ff3104468cc 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -143,6 +143,8 @@ C-API
 Library
 -------
 
+- Issue #10229: Fix caching error in gettext.
+
 - Issue #10252: Close file objects in a timely manner in distutils code and
   tests.  Patch by Brian Brazil, completed by Éric Araujo.