diff --git a/src/components/DocumentNav.tsx b/src/components/DocumentNav.tsx
index 1cf0338d..07c4fbbb 100644
--- a/src/components/DocumentNav.tsx
+++ b/src/components/DocumentNav.tsx
@@ -16,8 +16,7 @@ export const DocumentNav: FC<{}> = () => {
 
   if (documents.length <= 1 || !currentDocument) return null;
 
-  let fileName = currentDocument.uri;
-
+  let fileName = currentDocument.uri || "";
   const splitURL = fileName.split("/");
   if (splitURL.length) {
     fileName = splitURL[splitURL.length - 1];