diff --git a/audio/azr3/README b/audio/azr3/README
index ce7fbcaa19..97bc738156 100644
--- a/audio/azr3/README
+++ b/audio/azr3/README
@@ -10,8 +10,6 @@ sections respond to events on MIDI channel 1 and 2, and an optional
 keyboard split function makes the bass section listen to the lower
 keys on channel 1.
 
-This requires one of the jack varieties.
-
 This package uses POSIX filesystem capabilities to execute with
 elevated privileges (required for realtime audio processing).
 This may be considered a security/stability risk. Please read
diff --git a/audio/azr3/azr3.SlackBuild b/audio/azr3/azr3.SlackBuild
index 102196de83..5b529b981d 100644
--- a/audio/azr3/azr3.SlackBuild
+++ b/audio/azr3/azr3.SlackBuild
@@ -3,7 +3,7 @@
 # Slackware build script for azr3
 
 # Written by B. Watson (yalhcru@gmail.com)
-# Copyright 2019  Johannes Schoepfer, Germany
+# Copyright 2020  Johannes Schoepfer, Germany
 # All rights reserved.
 #
 # Redistribution and use of this script, with or without modification, is
@@ -92,11 +92,20 @@ find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | gr
 
 # .desktop file written for this SlackBuild
 mkdir -p $PKG/usr/share/applications
-cat $CWD/$PRGNAM.desktop > $PKG/usr/share/applications/$PRGNAM.desktop
+cat << EOF > $PKG/usr/share/applications/$PRGNAM.desktop
+[Desktop Entry]
+Name=AZR-3
+Comment=Tonewheel Organ for JACK
+Exec=azr3
+Icon=azr3
+Terminal=false
+Type=Application
+Categories=AudioVideo;Audio;
+EOF
 
 # icon is a small piece gimped out of panelfx.png
 mkdir -p $PKG/usr/share/pixmaps
-cat $CWD/$PRGNAM.png > $PKG/usr/share/pixmaps/$PRGNAM.png
+cat $CWD/patches/$PRGNAM.png > $PKG/usr/share/pixmaps/$PRGNAM.png
 
 find $PKG/usr/man -type f -exec gzip -9 {} \;
 for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
@@ -111,11 +120,23 @@ mkdir -p $PKG/install
 cat $CWD/slack-desc > $PKG/install/slack-desc
 cat $CWD/doinst.sh > $PKG/install/doinst.sh
 
-if [ "${SETCAP:-yes}" = "yes" ]; then
-  echo "/sbin/setcap cap_ipc_lock,cap_sys_nice=ep usr/bin/$PRGNAM" >> $PKG/install/doinst.sh
-  chown root:audio $PKG/usr/bin/$PRGNAM
-  chmod 0750 $PKG/usr/bin/$PRGNAM
-fi
-
 cd $PKG
+if [ "${SETCAP:-yes}" = "yes" ]; then
+  for bin in $(find . -type f -exec file '{}' + | grep " ELF .* executable, " | cut -f 1 -d : ); do
+    [ -n "$(readelf -d $bin | grep libjack.so)" ] && jackbin+=" $bin"
+  done
+  if [ -n "$jackbin" ]; then
+    for file in $jackbin; do
+      chown root:audio $PKG/$file
+      chmod 0750 $PKG/$file
+    done
+	cat <<- EOF >> $PKG/install/doinst.sh
+	if [ -x /sbin/setcap ]; then
+	  for file in$jackbin; do
+	    /sbin/setcap cap_ipc_lock,cap_sys_nice=ep \$file
+	  done
+	fi
+	EOF
+  fi
+fi
 /sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
diff --git a/audio/azr3/patches/azr3.png b/audio/azr3/patches/azr3.png
new file mode 100644
index 0000000000..c9b360e255
Binary files /dev/null and b/audio/azr3/patches/azr3.png differ