diff --git a/chrome/content/zotero/xpcom/collectionTreeView.js b/chrome/content/zotero/xpcom/collectionTreeView.js
index f44e438638..eb9bfc968f 100644
--- a/chrome/content/zotero/xpcom/collectionTreeView.js
+++ b/chrome/content/zotero/xpcom/collectionTreeView.js
@@ -1547,7 +1547,7 @@ Zotero.CollectionTreeView.prototype.drop = function(row, orient)
 			
 			var newIDs = [];
 			for each(var item in newItems) {
-				newIDs.push(copyItem(item, libraryID));
+				newIDs.push(copyItem(item, targetLibraryID));
 			}
 			
 			if (toReconcile.length) {