diff --git a/src/features/courses/screens/CourseDirectoryScreen.tsx b/src/features/courses/screens/CourseDirectoryScreen.tsx
index 4c63f5ac..5c86cfb2 100644
--- a/src/features/courses/screens/CourseDirectoryScreen.tsx
+++ b/src/features/courses/screens/CourseDirectoryScreen.tsx
@@ -119,7 +119,9 @@ const CourseFileSearchFlatList = ({ courseId, searchFilter }: SearchProps) => {
   useEffect(() => {
     if (!recentFilesQuery.data) return;
     setSearchResults(
-      recentFilesQuery.data.filter(file => file.name.includes(searchFilter)),
+      recentFilesQuery.data.filter(file =>
+        file.name.toLowerCase().includes(searchFilter.toLowerCase()),
+      ),
     );
   }, [recentFilesQuery.data, searchFilter]);