diff --git a/backend/agents/editor.py b/backend/agents/editor.py
index 9fcaf30..1458e61 100644
--- a/backend/agents/editor.py
+++ b/backend/agents/editor.py
@@ -156,7 +156,7 @@ def run(
             "-map", v_map, "-map", audio_mix,
             "-c:v", "libx264", "-preset", "fast",
             "-c:a", "aac", "-b:a", "192k",
-            "-shortest",
+            "-t", str(video_duration),
             output_path,
         ]
     else:
@@ -170,7 +170,7 @@ def run(
             "-map", "0:v", "-map", "1:a",
             "-c:v", "libx264", "-preset", "fast",
             "-c:a", "aac", "-b:a", "192k",
-            "-shortest",
+            "-t", str(video_duration),
             output_path,
         ])
 
diff --git a/docs/demo/final.mp4 b/docs/demo/final.mp4
index 909144d..914f3c0 100644
Binary files a/docs/demo/final.mp4 and b/docs/demo/final.mp4 differ