1 files changed, 7 insertions, 4 deletions

diff --git a/bin/mailmanctl b/bin/mailmanctl
index b4d404c17..a20144b79 100644
--- a/bin/mailmanctl
+++ b/bin/mailmanctl
@@ -95,6 +95,7 @@ import getopt
 import signal
 import errno
 import pwd
+import grp
 import socket
 
 import paths
@@ -264,10 +265,12 @@ def check_privs():
     # which Mailman was configured for, and refuse to run if we didn't coerce
     # the uid/gid.
     if os.getuid() == 0:
-        os.setgid(mm_cfg.MAILMAN_GID)
-        os.setuid(mm_cfg.MAILMAN_UID)
-    if os.getuid() <> mm_cfg.MAILMAN_UID:
-        name = pwd.getpwuid(mm_cfg.MAILMAN_UID)[0]
+        gid = grp.getgrnam(mm_cfg.MAILMAN_GROUP)[2]
+        uid = pwd.getpwnam(mm_cfg.MAILMAN_USER)[2]
+        os.setgid(gid)
+        os.setuid(uid)
+    if os.getuid() <> uid:
+        name = mm_cfg.MAILMAN_USER
         usage(1, _(
             'Run this program as root or as the %(name)s user, or use -u.'))