diff --git a/src/components/FileViewer/FileViewer.tsx b/src/components/FileViewer/FileViewer.tsx
index 0418b70c5..19173933e 100644
--- a/src/components/FileViewer/FileViewer.tsx
+++ b/src/components/FileViewer/FileViewer.tsx
@@ -43,6 +43,7 @@ export interface FileContentProps {
   fileType: string
   className?: string
   role?: string
+  contentType?: string
 }
 
 const IMG_TYPE_LIST = [