diff --git a/Sortable.js b/Sortable.js
index 5c619b5..ba23977 100644
--- a/Sortable.js
+++ b/Sortable.js
@@ -655,8 +655,7 @@
 
 			clearInterval(this._loopId);
 			clearInterval(autoScroll.pid);
-
-			clearTimeout(this.dragStartTimer);
+			clearTimeout(this._dragStartTimer);
 
 			// Unbind events
 			_off(document, 'drop', this);