diff --git a/cobraadaptor/adaptor.go b/cobraadaptor/adaptor.go
index b1980491a8..4d2958b531 100644
--- a/cobraadaptor/adaptor.go
+++ b/cobraadaptor/adaptor.go
@@ -45,6 +45,7 @@ func NewCobraAdaptor(clientFlags *cliflags.ClientFlags) CobraAdaptor {
 		container.NewLogsCommand(dockerCli),
 		container.NewPauseCommand(dockerCli),
 		container.NewPortCommand(dockerCli),
+		container.NewPsCommand(dockerCli),
 		container.NewRenameCommand(dockerCli),
 		container.NewRestartCommand(dockerCli),
 		container.NewRmCommand(dockerCli),
diff --git a/usage.go b/usage.go
index 9cd7acd244..73fa4f2245 100644
--- a/usage.go
+++ b/usage.go
@@ -12,7 +12,6 @@ var DockerCommandUsage = []Command{
 	{"exec", "Run a command in a running container"},
 	{"info", "Display system-wide information"},
 	{"inspect", "Return low-level information on a container or image"},
-	{"ps", "List containers"},
 	{"update", "Update configuration of one or more containers"},
 }