diff --git a/depictions/web/js/data-loader-engine.js b/depictions/web/js/data-loader-engine.js
index b5a204b3..7eda08cf 100644
--- a/depictions/web/js/data-loader-engine.js
+++ b/depictions/web/js/data-loader-engine.js
@@ -34,7 +34,7 @@ function data_loader_engine(contentBlocks, xml) {
       case "list": {
         let list = $(xml).find(contentInfo.source);
 
-        if (list.length() === 0) {
+        if (list.length === 0) {
           if (contentInfo.emptyListCallback) {
             contentInfo.emptyListCallback($(key));
           }