diff --git a/Lib/Cookie.py b/Lib/Cookie.py
index 323450b..616377c 100644
--- a/Lib/Cookie.py
+++ b/Lib/Cookie.py
@@ -390,7 +390,7 @@
     from time import gmtime, time
     now = time()
     year, month, day, hh, mm, ss, wd, y, z = gmtime(now + future)
-    return "%s, %02d-%3s-%4d %02d:%02d:%02d GMT" % \
+    return "%s, %02d %3s %4d %02d:%02d:%02d GMT" % \
            (weekdayname[wd], day, monthname[month], year, hh, mm, ss)