diff --git a/ani-cli b/ani-cli
index 032fe2a..32dc421 100755
--- a/ani-cli
+++ b/ani-cli
@@ -216,7 +216,8 @@ open_episode () {
 		# add 0 padding to the episode name
 		episode=$(printf "%03d" $episode)
 		{
-			curl -L -# -C - "$video_url" -o "${anime_id}-${episode}.mp4" &&
+			ffmpeg -headers "Referer: $dpage_url" -i "$video_url" \
+				-codec copy "${anime_id}-${episode}.mkv" >/dev/null 2>&1 &&
 				printf "${c_green}Downloaded episode: %s${c_reset}\n" "$episode" ||
 				printf "${c_red}Download failed episode: %s${c_reset}\n" "$episode"
 		}