diff --git a/AAXtoMP3.sh b/AAXtoMP3.sh
index 739464f..8dfea17 100755
--- a/AAXtoMP3.sh
+++ b/AAXtoMP3.sh
@@ -7,7 +7,7 @@ while [ $# -gt 0 ]; do
 
     ffmpeg -i "$FILE" 2> tmp.txt
     TITLE=`grep -a -m1 -h -r "title" tmp.txt | head -1 | cut -d: -f2- | xargs`
-    TITLE=`echo $TITLE | sed -r 's/\(Unabridged\)//' | xargs`
+    TITLE=`echo $TITLE | sed -e 's/(Unabridged)//' | xargs`
     ARTIST=`grep -a -m1 -h -r "artist" tmp.txt | head -1 | cut -d: -f2- | xargs`
     GENRE=`grep -a -m1 -h -r "genre" tmp.txt | head -1 | cut -d: -f2- | xargs`
     BITRATE=`grep -a -m1 -h -r "bitrate" tmp.txt | head -1 | rev | cut -d: -f 1 | rev | egrep -o [0-9]+ | xargs`