diff --git a/chrome/content/zotero/integration/addCitationDialog.js b/chrome/content/zotero/integration/addCitationDialog.js
index 16de7f0dfc..49da3822bc 100644
--- a/chrome/content/zotero/integration/addCitationDialog.js
+++ b/chrome/content/zotero/integration/addCitationDialog.js
@@ -273,7 +273,7 @@ var Zotero_Citation_Dialog = new function () {
 	 */
 	function sortCitation() {
 		io.citation.properties.sort = _sortCheckbox && _sortCheckbox.checked;
-		if(_sortCheckbox.checked) {
+		if(io.citation.properties.sort) {
 			_getCitation();
 			
 			// delete all existing items from list