diff --git a/cli/speedtest.go b/cli/speedtest.go
index ab5a402977cb5..165611210577f 100644
--- a/cli/speedtest.go
+++ b/cli/speedtest.go
@@ -26,6 +26,7 @@ func speedtest() *cobra.Command {
 	cmd := &cobra.Command{
 		Annotations: workspaceCommand,
 		Use:         "speedtest <workspace>",
+		Args:        cobra.ExactArgs(1),
 		Short:       "Run a speed test from your machine to the workspace.",
 		RunE: func(cmd *cobra.Command, args []string) error {
 			ctx, cancel := context.WithCancel(cmd.Context())