diff --git a/public/js/index.js b/public/js/index.js
index a2e0400ee..96580fe37 100644
--- a/public/js/index.js
+++ b/public/js/index.js
@@ -3651,9 +3651,6 @@ function reverseSortCursorMenu(dropdown) {
     return items;
 }
 
-var lastUpSideDown = false;
-var upSideDown = false;
-
 var checkCursorMenu = _.throttle(checkCursorMenuInner, cursorMenuThrottle);
 
 function checkCursorMenuInner() {
@@ -3692,6 +3689,8 @@ function checkCursorMenuInner() {
     // set offset
     var offsetLeft = 0;
     var offsetTop = defaultTextHeight;
+    // set up side down
+    var lastUpSideDown = upSideDown = false;
     // only do when have width and height
     if (width > 0 && height > 0) {
         // make element right bound not larger than doc width
@@ -3703,12 +3702,11 @@ function checkCursorMenuInner() {
             offsetTop = -(height + menuBottomMargin);
             // reverse sort menu because upSideDown
             dropdown.html(reverseSortCursorMenu(dropdown));
-            lastUpSideDown = upSideDown;
             upSideDown = true;
-        } else {
-            lastUpSideDown = upSideDown;
-            upSideDown = false;
         }
+        var textCompleteDropdown = $(editor.getInputField()).data('textComplete').dropdown;
+        lastUpSideDown = textCompleteDropdown.upSideDown;
+        textCompleteDropdown.upSideDown = upSideDown;
     }
     // make menu scroll top only if upSideDown changed
     if (upSideDown !== lastUpSideDown)
diff --git a/public/vendor/jquery-textcomplete/jquery.textcomplete.js b/public/vendor/jquery-textcomplete/jquery.textcomplete.js
old mode 100644
new mode 100755
index cd2f863dc..8c25af169
--- a/public/vendor/jquery-textcomplete/jquery.textcomplete.js
+++ b/public/vendor/jquery-textcomplete/jquery.textcomplete.js
@@ -167,6 +167,7 @@ if (typeof jQuery === 'undefined') {
       var element = this.$el.get(0);
       // Initialize view objects.
       this.dropdown = new $.fn.textcomplete.Dropdown(element, this, this.option);
+      this.dropdown.upSideDown = false;
       var Adapter, viewName;
       if (this.option.adapter) {
         Adapter = this.option.adapter;
@@ -556,13 +557,13 @@ if (typeof jQuery === 'undefined') {
       if (!this.shown) { return; }
       if (this.isUp(e)) {
         e.preventDefault();
-        if(typeof upSideDown != 'undefined' && upSideDown)
+        if(this.upSideDown)
           this._down();
         else
           this._up();
       } else if (this.isDown(e)) {
         e.preventDefault();
-        if(typeof upSideDown != 'undefined' && upSideDown)
+        if(this.upSideDown)
           this._up();
         else
           this._down();