lang/base/boot.js

@@ -70,8 +70,10 @@ define([
                         throw new Error("No one should be setting st.packages directly on initialized Amber.");
                     }
                 });
-                brikz.startImage.run();
-                initialized = true;
+                return Promise.resolve(brikz.startImage.run())
+                    .then(function () {
+                        initialized = true;
+                    });
             });
         };
     }

lang/base/kernel-fundamentals.js

@@ -186,7 +186,7 @@ define(function () {
             var that = new SmalltalkMethod();
             var selector = spec.selector;
             that.selector = selector;
-            that.args = spec.args || {};
+            that.args = spec.args || [];
             that.protocol = spec.protocol;
             that.source = spec.source;
             that.messageSends = spec.messageSends || [];