diff --git a/cmd/itctl/cmd/root.go b/cmd/itctl/cmd/root.go
index 610f661..14c45bb 100644
--- a/cmd/itctl/cmd/root.go
+++ b/cmd/itctl/cmd/root.go
@@ -60,5 +60,6 @@ var rootCmd = &cobra.Command{
 // Execute adds all child commands to the root command and sets flags appropriately.
 // This is called by main.main(). It only needs to happen once to the rootCmd.
 func Execute() {
+	rootCmd.CompletionOptions.DisableDefaultCmd = true
 	cobra.CheckErr(rootCmd.Execute())
 }