diff --git a/youtube-mp3 b/youtube-mp3
index 814f542..2cc84f1 100755
--- a/youtube-mp3
+++ b/youtube-mp3
@@ -1,4 +1,8 @@
-#!/bin/sh
+#!/usr/bin/env sh
+
+if [ -z "$YOUTUBE_DL" ] ; then
+	YOUTUBE_DL=youtube-dl
+fi
 
 usage() {
 	cat <<EOF
@@ -12,7 +16,7 @@ EOF
 }
 
 # Check for youtube-dl in path
-if ! (command -v youtube-dl) ; then
+if ! (command -v "$YOUTUBE_DL") ; then
 	echo "No youtube-dl found in path"
 	exit 1
 fi
@@ -29,6 +33,6 @@ case "$@" in
 		exit 1
 		;;
 	*)
-		youtube-dl --format bestaudio -x --audio-format mp3 --audio-quality 192K -k "$@"
+		"$YOUTUBE_DL" --format bestaudio -x --audio-format mp3 --audio-quality 192K -k "$@"
 		;;
 esac