diff --git a/command/alloc_status.go b/command/alloc_status.go
index a3618c69f..074675976 100644
--- a/command/alloc_status.go
+++ b/command/alloc_status.go
@@ -52,7 +52,7 @@ func (c *AllocStatusCommand) Run(args []string) int {
 
 	// Check that we got exactly one allocation ID
 	args = flags.Args()
-	if len(args) == 0 {
+	if len(args) != 1 {
 		c.Ui.Error(c.Help())
 		return 1
 	}