diff --git a/apps/labeling/labelingSimpleAnnotation.js b/apps/labeling/labelingSimpleAnnotation.js
index fa29063da..d24ab9944 100644
--- a/apps/labeling/labelingSimpleAnnotation.js
+++ b/apps/labeling/labelingSimpleAnnotation.js
@@ -637,7 +637,7 @@ async function loadingData() {
   // redir user out if they've already done this
   $CAMIC.store.findLabelingAnnotation({"parent": labelId, "provenance.image.slide":slideId, "creator": getUserId() } ).then(x=>{
     console.log(x)
-    if (x.len>0){
+    if (x.length>0){
       alert("You've already done this label.")
       window.removeEventListener('beforeunload', beforeUnloadHandler);
       window.location.href = `./roi_pick.html?slideId=${$D.params.slideId}&collectionId=${$D.params.collectionId}`;