diff --git a/README.md b/README.md
index 3e36e83..34f68b5 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,5 @@
 A method to grab the live chat replay from YouTube
 
-* Requires qwarc.
+* Requires qwarc and realpath from GNU coreutils 8.23+.
 * Execute as `livechatreplay VIDEOID` where `VIDEOID` is the 11-character video ID from YouTube.
 * All live chats (i.e. "top" and "all") are grabbed.
-* Note that the absolute path to livechatreplay.py gets written to the meta WARC.
diff --git a/livechatreplay b/livechatreplay
index 6faa23e..8b45de2 100755
--- a/livechatreplay
+++ b/livechatreplay
@@ -1,5 +1,5 @@
 #!/bin/bash
 videoId="$1"
 prefix="youtube-livechatreplay-${videoId}"
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+DIR="$(realpath --relative-to=. "$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )")"
 YOUTUBE_VIDEOID="$videoId" qwarc --log "${prefix}.log" --database "${prefix}.db" --warc "${prefix}" "${DIR}/livechatreplay.py"