diff --git a/Sortable.js b/Sortable.js
index a6266ca..4119d97 100644
--- a/Sortable.js
+++ b/Sortable.js
@@ -365,7 +365,7 @@
 			scrollEl = options.scroll;
 
 			if (scrollEl === true) {
-				scrollEl = dragEl;
+				scrollEl = rootEl;
 
 				do {
 					if ((scrollEl.offsetWidth < scrollEl.scrollWidth) ||