diff --git a/Lib/test/test_logging.py b/Lib/test/test_logging.py
index ecf0e68e6de..19322937a4c 100644
--- a/Lib/test/test_logging.py
+++ b/Lib/test/test_logging.py
@@ -30,11 +30,11 @@
 import logging, logging.handlers, logging.config
 
 try:
-    locale.setlocale(locale.LC_ALL, '')
+    cur_locale = locale.setlocale(locale.LC_ALL, '')
 except (ValueError, locale.Error):
     # this happens on a Solaris box which only supports "C" locale
     # or a Mac OS X box which supports very little locale stuff at all
-    pass
+    cur_locale = None
 
 BANNER = "-- %-10s %-6s ---------------------------------------------------\n"
 
@@ -474,6 +474,9 @@ def test_main():
         banner("logrecv output", "end")
         sys.stdout.flush()
 
+    if cur_locale:
+        locale.setlocale(locale.LC_ALL, "C")
+
 if __name__ == "__main__":
     sys.stdout.write("test_logging\n")
     test_main()