diff --git a/src/css/main.scss b/src/css/main.scss
index c67e555..b19474f 100644
--- a/src/css/main.scss
+++ b/src/css/main.scss
@@ -53,13 +53,13 @@ $ps-bar-hover: #999;
 @mixin in-scrolling {
   &.ps-in-scrolling {
     pointer-events: none;
-    >.ps-scrollbar-x-rail {
+    &.ps-x>.ps-scrollbar-x-rail{
       @include scrollbar-rail-hover;
       >.ps-scrollbar-x {
         @include scrollbar-hover;
       }
     }
-    >.ps-scrollbar-y-rail {
+    &.ps-y>.ps-scrollbar-y-rail {
       @include scrollbar-rail-hover;
       >.ps-scrollbar-y {
         @include scrollbar-hover;
diff --git a/src/js/plugin/ps.js b/src/js/plugin/ps.js
index 1b10f5f..925ab6a 100644
--- a/src/js/plugin/ps.js
+++ b/src/js/plugin/ps.js
@@ -218,6 +218,7 @@ module.exports = function (element, settingOrCommand) {
     };
 
     var mouseUpHandler = function (e) {
+      cls.remove(element, 'ps-x');
       cls.remove(element, 'ps-in-scrolling');
       $(ownerDocument).unbind(eventClass('mousemove'), mouseMoveHandler);
     };
@@ -226,6 +227,7 @@ module.exports = function (element, settingOrCommand) {
       currentPageX = e.pageX;
       currentLeft = h.toInt(d.css(scrollbarX, 'left'));
       cls.add(element, 'ps-in-scrolling');
+      cls.add(element, 'ps-x');
 
       $(ownerDocument).bind(eventClass('mousemove'), mouseMoveHandler);
       evt.once(ownerDocument, 'mouseup', mouseUpHandler);
@@ -250,6 +252,7 @@ module.exports = function (element, settingOrCommand) {
     };
 
     var mouseUpHandler = function (e) {
+      cls.remove(element, 'ps-y');
       cls.remove(element, 'ps-in-scrolling');
       $(ownerDocument).unbind(eventClass('mousemove'), mouseMoveHandler);
     };
@@ -258,6 +261,7 @@ module.exports = function (element, settingOrCommand) {
       currentPageY = e.pageY;
       currentTop = h.toInt(d.css(scrollbarY, 'top'));
       cls.add(element, 'ps-in-scrolling');
+      cls.add(element, 'ps-y');
 
       $(ownerDocument).bind(eventClass('mousemove'), mouseMoveHandler);
       evt.once(ownerDocument, 'mouseup', mouseUpHandler);