diff --git a/lib/do_create_instance.js b/lib/do_create_instance.js
index ffa74f0..c65f968 100644
--- a/lib/do_create_instance.js
+++ b/lib/do_create_instance.js
@@ -35,7 +35,7 @@ function do_create_instance(subcmd, opts, args, callback) {
         function getImg(ctx, next) {
             var id = args[0];
             if (common.isUUID(id)) {
-                ctx.img = id;
+                ctx.img = {id: id};
                 next();
                 return;
             }
@@ -56,7 +56,7 @@ function do_create_instance(subcmd, opts, args, callback) {
 
             var id = args[1];
             if (common.isUUID(id)) {
-                ctx.img = id;
+                ctx.pkg = {id: id};
                 next();
                 return;
             }