diff --git a/mopidy/__main__.py b/mopidy/__main__.py
index bce3804c..035e0ae9 100644
--- a/mopidy/__main__.py
+++ b/mopidy/__main__.py
@@ -97,7 +97,9 @@ def main():
                 parser.error('Can not run sub-command %s from the disabled '
                              'extension %s.' % (cmd.name, extension.ext_name))
 
-            sys.exit(cmd.run(args, proxied_config))
+            logging.info('Running %s command provided by %s.', cmd.name,
+                         extension.ext_name)
+            sys.exit(cmd.run(args, proxied_config, enabled_extensions))
 
         if args.command == 'run':
             ext.register_gstreamer_elements(enabled_extensions)
diff --git a/mopidy/backends/base.py b/mopidy/backends/base.py
index 9dc9befa..2fb20d03 100644
--- a/mopidy/backends/base.py
+++ b/mopidy/backends/base.py
@@ -300,13 +300,14 @@ class BaseSubCommandProvider(object):
     def __init__(self, parser):
         pass
 
-    def run(self, args, config):
+    def run(self, args, config, extensions):
         """Run the sub-command implemented by this provider.
 
         *MUST be implemented by subclass.*
 
         :param args: the argments object from argpase.
         :param config: read only version of the mopidy config.
+        :param extensions: list of enabled extensions.
         :returns: integer exit value for the process.
         """
         raise NotImplementedError