diff --git a/internal/features/validation.feature b/internal/features/validation.feature
index 4b624b79..b80d085c 100644
--- a/internal/features/validation.feature
+++ b/internal/features/validation.feature
@@ -56,6 +56,10 @@ Feature: parameter validation
     When I execute "cli53 rrpurge a b"
     Then the exit code was 1
 
+  Scenario: list expects no arguments
+    When I execute "cli53 list a"
+    Then the exit code was 1
+
   Scenario: bad usage
     When I execute "cli53 --bad list"
     Then the exit code was 1
diff --git a/main.go b/main.go
index 8740a589..7fd213cb 100644
--- a/main.go
+++ b/main.go
@@ -40,6 +40,10 @@ func Main(args []string) int {
 			Flags:   commonFlags,
 			Action: func(c *cli.Context) error {
 				r53 = getService(c.Bool("debug"), c.String("profile"))
+				if len(c.Args()) != 0 {
+					cli.ShowCommandHelp(c, "list")
+					return cli.NewExitError("No parameters expected", 1)
+				}
 				listZones()
 				return nil
 			},