1 files changed, 7 insertions, 10 deletions

diff --git a/src/mailman/commands/cli_control.py b/src/mailman/commands/cli_control.py
index b0afc1337..de3542106 100644
--- a/src/mailman/commands/cli_control.py
+++ b/src/mailman/commands/cli_control.py
@@ -15,11 +15,8 @@
 # You should have received a copy of the GNU General Public License along with
 # GNU Mailman.  If not, see <http://www.gnu.org/licenses/>.
 
-"""Module stuff."""
+"""Start/stop/reopen/restart commands."""
 
-from __future__ import absolute_import, print_function, unicode_literals
-
-__metaclass__ = type
 __all__ = [
     'Reopen',
     'Restart',
@@ -34,12 +31,11 @@ import errno
 import signal
 import logging
 
-from zope.interface import implementer
-
 from mailman.bin.master import WatcherState, master_state
 from mailman.config import config
 from mailman.core.i18n import _
 from mailman.interfaces.command import ICLISubCommand
+from zope.interface import implementer
 
 
 qlog = logging.getLogger('mailman.runner')
@@ -124,8 +120,8 @@ class Start:
         # subprocesses to calculate their path to the $VAR_DIR.  Before we
         # chdir() though, calculate the absolute path to the configuration
         # file.
-        config_path = (os.path.abspath(args.config)
-                       if args.config else None)
+        config_path = (config.filename if args.config is None
+                       else os.path.abspath(args.config))
         os.environ['MAILMAN_VAR_DIR'] = config.VAR_DIR
         os.chdir(config.VAR_DIR)
         # Exec the master watcher.
@@ -135,8 +131,9 @@ class Start:
             ]
         if args.force:
             execl_args.append('--force')
-        if config_path:
-            execl_args.extend(['-C', config_path])
+        # Always pass the config file path to the master projects, so there's
+        # no confusion about which cfg is being used.
+        execl_args.extend(['-C', config_path])
         qlog.debug('starting: %s', execl_args)
         os.execl(*execl_args)
         # We should never get here.