From 9d6cd8bd0343283498ad0e9570bb8b350d9b305d Mon Sep 17 00:00:00 2001
From: Jerome Lam <jerome.lam@gmail.com>
Date: Fri, 6 Feb 2015 10:16:02 -0500
Subject: [PATCH 1/2] Add missing negative activeIndex check just like in
 select2.js.

---
 src/select.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/select.js b/src/select.js
index 2196f2646..923c07dd0 100644
--- a/src/select.js
+++ b/src/select.js
@@ -853,6 +853,10 @@
         throw uiSelectMinErr('choices', "Expected multiple .ui-select-choices-row but got '{0}'.", choices.length);
       }
 
+      if (ctrl.activeIndex < 0) {
+        return;
+      }
+
       var highlighted = choices[ctrl.activeIndex];
       var posY = highlighted.offsetTop + highlighted.clientHeight - container[0].scrollTop;
       var height = container[0].offsetHeight;
@@ -1329,4 +1333,3 @@
     };
   });
 }());
-

From 514940ba7bbc2b2c4ecf4d2f405c1c886a87ece0 Mon Sep 17 00:00:00 2001
From: Jerome Lam <jerome.lam@gmail.com>
Date: Fri, 6 Feb 2015 10:16:23 -0500
Subject: [PATCH 2/2] Cap activeIndex's minimum to -1.

---
 src/select.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/select.js b/src/select.js
index 923c07dd0..3ba423e64 100644
--- a/src/select.js
+++ b/src/select.js
@@ -551,7 +551,7 @@
           break;
         case KEY.UP:
           if (!ctrl.open && ctrl.multiple) ctrl.activate(false, true); //In case its the search input in 'multiple' mode
-          else if (ctrl.activeIndex > 0 || (ctrl.search.length === 0 && ctrl.tagging.isActivated)) { ctrl.activeIndex--; }
+          else if (ctrl.activeIndex > 0 || (ctrl.search.length === 0 && ctrl.tagging.isActivated && ctrl.activeIndex > -1)) { ctrl.activeIndex--; }
           break;
         case KEY.TAB:
           if (!ctrl.multiple || ctrl.open) ctrl.select(ctrl.items[ctrl.activeIndex], true);