diff --git a/metropolis/cli/metroctl/cmd_takeownership.go b/metropolis/cli/metroctl/cmd_takeownership.go
index 30b9f08..d421f71 100644
--- a/metropolis/cli/metroctl/cmd_takeownership.go
+++ b/metropolis/cli/metroctl/cmd_takeownership.go
@@ -24,7 +24,7 @@
 cluster to issue an owner certificate to for the owner key generated by a
 previous invocation of metroctl install on this machine. A single cluster
 endpoint must be provided with the --endpoints parameter.`,
-	Args: cobra.ExactArgs(0),
+	Args: PrintUsageOnWrongArgs(cobra.ExactArgs(0)),
 	Run:  doTakeOwnership,
 }