diff --git a/src/components/document/sorted-section.tsx b/src/components/document/sorted-section.tsx
index 5361b6b93..5b9f15839 100644
--- a/src/components/document/sorted-section.tsx
+++ b/src/components/document/sorted-section.tsx
@@ -23,7 +23,7 @@ interface IProps {
   secondarySort: SecondarySortType;
 }
 
-export const SortedSection: React.FC<IProps> = observer(function SortedDocuments(props: IProps) {
+export const SortedSection: React.FC<IProps> = observer(function SortedSection(props: IProps) {
   const { docFilter, documentGroup, idx, secondarySort } = props;
   const { persistentUI, sortedDocuments } = useStores();
   const [showDocuments, setShowDocuments] = useState(false);
@@ -51,7 +51,7 @@ export const SortedSection: React.FC<IProps> = observer(function SortedDocuments
 
   const renderUngroupedDocument = (doc: IDocumentMetadata) => {
     const fullDocument = getDocument(doc.key);
-    if (!fullDocument) return <div className="loading-spinner"/>;
+    if (!fullDocument) return <div key={doc.key} className="loading-spinner"/>;
 
     return <DecoratedDocumentThumbnailItem
              key={doc.key}