diff --git a/atlas/templates/atlas/series_viewer.html b/atlas/templates/atlas/series_viewer.html
index 0c983515..6ae873ea 100755
--- a/atlas/templates/atlas/series_viewer.html
+++ b/atlas/templates/atlas/series_viewer.html
@@ -121,7 +121,7 @@ This series is not associated with any cases.
         {% endif %}
     });
 
-    function loadAnnotationAndViewportOnElement(annotation, viewport, dicom-element) {
+    function loadAnnotationAndViewportOnElement(annotation, viewport, dicom_element) {
         cornerstoneTools.globalImageIdSpecificToolStateManager.restoreToolState(
             annotationjson);
         console.log(annotationjson)