diff --git a/Sortable.js b/Sortable.js
index 77541d3..91c5236 100644
--- a/Sortable.js
+++ b/Sortable.js
@@ -446,7 +446,7 @@
 				isOwner = (activeGroup === group),
 				canSort = options.sort;
 
-			if (!_silent &&
+			if (!_silent && activeGroup &&
 				(isOwner
 					? canSort || (revert = !rootEl.contains(dragEl))
 					: activeGroup.pull && groupPut && (