diff --git a/js/getPageLevelProgressItems.js b/js/getPageLevelProgressItems.js
index a53da17..761c8e1 100644
--- a/js/getPageLevelProgressItems.js
+++ b/js/getPageLevelProgressItems.js
@@ -15,6 +15,9 @@ export default function getPageLevelProgressItemsJSON(parentModel) {
       const isDescendantCurrentPage = (model === parentModel);
       if (!isInAPage && !isDescendantContentObject) return false;
       if (isInAPage && !isDescendantCurrentPage && !isDescendantContentObject) return false;
+      const descendantParentModel = descendant.getParent();
+      const isChildOfModel = (descendantParentModel === model);
+      if (isDescendantContentObject && !isChildOfModel) return false;
       return (descendant.get('_isAvailable') === true);
     });
     const availableItems = completionCalculations.filterAvailableChildren(currentPageItems);