diff --git a/audio/MusicMixer/MusicMixer.SlackBuild b/audio/MusicMixer/MusicMixer.SlackBuild
index 6d763f924e..19a338cc1b 100644
--- a/audio/MusicMixer/MusicMixer.SlackBuild
+++ b/audio/MusicMixer/MusicMixer.SlackBuild
@@ -4,19 +4,21 @@
 
 # Michales - clavisound - Michaloudes korgie@gmail.com <2012>
 
+# 20220407 bkw: Modified by SlackBuilds.org, BUILD=2:
+# - i486 => i586.
+# - relative symlink in doc dir, not absolute.
+# - add doinst.sh because we have a .desktop file.
+
 cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=MusicMixer
 VERSION=${VERSION:-1.8}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 PKGTYPE=${PKGTYPE:-tgz}
 
-ARCH=i486	# hardcoded for 32bit
+ARCH=i586	# hardcoded for 32bit
 
-# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
-# the name of the created package would be, and then exit. This information
-# could be useful to other scripts.
 if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
   echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
   exit 0
@@ -37,9 +39,9 @@ cd MusicIP
 chown -R root:root .
 find -L . \
  \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 -o -perm 511 \) \
- -exec chmod 755 {} \; -o \
+ -exec chmod 755 {} \+ -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
- -exec chmod 644 {} \;
+ -exec chmod 644 {} \+
 
 mkdir -p $PKG/opt/MusicIP
 cp -a * $PKG/opt/MusicIP
@@ -53,11 +55,12 @@ cat $CWD/$PRGNAM.xpm > $PKG/usr/share/pixmaps/$PRGNAM.xpm
 cd $TMP/MusicIP/MusicMagicMixer/
 
 mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
-ln -s /opt/MusicIP/MusicMagicMixer/notes.txt $PKG/usr/doc/$PRGNAM-$VERSION
+ln -s ../../../opt/MusicIP/MusicMagicMixer/notes.txt $PKG/usr/doc/$PRGNAM-$VERSION
 cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
 
 mkdir -p $PKG/install
 cat $CWD/slack-desc > $PKG/install/slack-desc
+cat $CWD/doinst.sh > $PKG/install/doinst.sh
 
 cd $PKG
 /sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
diff --git a/audio/MusicMixer/doinst.sh b/audio/MusicMixer/doinst.sh
new file mode 100644
index 0000000000..5fb28930db
--- /dev/null
+++ b/audio/MusicMixer/doinst.sh
@@ -0,0 +1,3 @@
+if [ -x /usr/bin/update-desktop-database ]; then
+  /usr/bin/update-desktop-database -q usr/share/applications >/dev/null 2>&1
+fi