diff --git a/cmd/cloudinit/cloudinit.go b/cmd/cloudinit/cloudinit.go
index ee5ad2de..101440ea 100644
--- a/cmd/cloudinit/cloudinit.go
+++ b/cmd/cloudinit/cloudinit.go
@@ -397,7 +397,7 @@ func getDatasources(cfg *rancherConfig.Config) []datasource.Datasource {
 				dss = append(dss, url.NewDatasource(parts[1]))
 			}
 		case "cmdline":
-			if len(parts) == 2 {
+			if len(parts) == 1 {
 				dss = append(dss, proc_cmdline.NewDatasource())
 			}
 		case "configdrive":