diff --git a/dist/Button.js b/dist/Button.js
index <HASH>..<HASH> 100644
--- a/dist/Button.js
+++ b/dist/Button.js
@@ -41,7 +41,8 @@ var AriaMenuButtonButton = function (_React$Component) {
         case 'ArrowDown':
           event.preventDefault();
           if (!ambManager.isOpen) {
-            ambManager.openMenu({ focusMenu: true });
+            ambManager.openMenu();
+            ambManager.focusItem(0);
           } else {
             ambManager.focusItem(0);
           }
diff --git a/dist/createManager.js b/dist/createManager.js
index <HASH>..<HASH> 100644
--- a/dist/createManager.js
+++ b/dist/createManager.js
@@ -66,7 +66,7 @@ var protoManager = {
   },
   openMenu: function openMenu(openOptions) {
     if (this.isOpen) return;
-    openOptions = openOptions || {};
+    openOptions = openOptions || { focusMenu: true };
     this.isOpen = true;
     this.update();
     this.focusGroup.activate();
adds remaining changes to let menu focus first item