diff --git a/nextjs/src/app/course/[courseName]/lecture/[lectureDay]/EditLecture.tsx b/nextjs/src/app/course/[courseName]/lecture/[lectureDay]/EditLecture.tsx
index 094b97e..874ff11 100644
--- a/nextjs/src/app/course/[courseName]/lecture/[lectureDay]/EditLecture.tsx
+++ b/nextjs/src/app/course/[courseName]/lecture/[lectureDay]/EditLecture.tsx
@@ -59,7 +59,7 @@ Date: ${lectureDay}
         <div className="flex-1 h-full">
           <MonacoEditor value={text} onChange={setText} />
         </div>
-        <div className="h-full sm:block none">
+        <div className="h-full sm:block none overflow-auto">
           <div className="text-red-300">{error && error}</div>
           {lecture && <LecturePreview lecture={lecture} />}
         </div>