From 3dde3ebb0c13e231a19e752f1ebe38525317f0f7 Mon Sep 17 00:00:00 2001
From: Fedor <unno@unno.ru>
Date: Wed, 22 Oct 2014 17:09:45 +0400
Subject: [PATCH] Correction for railBorderYWidth calculation

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

diff --git a/src/perfect-scrollbar.js b/src/perfect-scrollbar.js
index 8095dba..ffef5c0 100644
--- a/src/perfect-scrollbar.js
+++ b/src/perfect-scrollbar.js
@@ -113,7 +113,7 @@
       var scrollbarYRight = int($scrollbarYRail.css('right'));
       var isScrollbarYUsingRight = scrollbarYRight === scrollbarYRight; // !isNaN
       var scrollbarYLeft = isScrollbarYUsingRight ? null : int($scrollbarYRail.css('left'));
-      var railBorderYWidth = int($scrollbarXRail.css('borderTopWidth')) + int($scrollbarXRail.css('borderBottomWidth'));
+      var railBorderYWidth = int($scrollbarYRail.css('borderTopWidth')) + int($scrollbarYRail.css('borderBottomWidth'));
 
       function updateScrollTop(currentTop, deltaY) {
         var newTop = currentTop + deltaY;