diff --git a/docker-builder-data/build/script/packet/synfigstudio-appimage.files/launch.sh b/docker-builder-data/build/script/packet/synfigstudio-appimage.files/launch.sh
index 9be2f2a..6942428 100755
--- a/docker-builder-data/build/script/packet/synfigstudio-appimage.files/launch.sh
+++ b/docker-builder-data/build/script/packet/synfigstudio-appimage.files/launch.sh
@@ -4,11 +4,11 @@ SCRIPT_DIR=$(cd `dirname "$0"`; pwd)
 BASE_DIR=`dirname "$SCRIPT_DIR"`
 
 # Check if this system have JACK installed
-if ! which jackd >/dev/null; then
+if ! (which jackd &>/dev/null); then
 	# No JACK, so disable this functionality.
 	# (The bundled libjack won't work correctly anyway).
 	export SYNFIG_DISABLE_JACK=1
-	export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${BASE_DIR}/lib.extra"
+	export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${BASE_DIR}/lib.extra/jack"
 fi
 
 export USER_CONFIG_DIR=$HOME/.config/synfig
diff --git a/docker-builder-data/build/script/packet/synfigstudio-appimage.sh b/docker-builder-data/build/script/packet/synfigstudio-appimage.sh
index 9feaa99..7f7ed0d 100644
--- a/docker-builder-data/build/script/packet/synfigstudio-appimage.sh
+++ b/docker-builder-data/build/script/packet/synfigstudio-appimage.sh
@@ -47,7 +47,15 @@ pkinstall_release() {
 
     # clean examples
     rm -rf "$APPDIR/share/synfig/examples" || return 1
-		
+
+	# move jack
+	mkdir -p "$APPDIR/usr/lib.extra/jack"
+	(cp "$ENVDEPS_RELEASE_PACKET_DIR/lib/libjack"* "$APPDIR/usr/lib.extra/jack" &> /dev/null) \
+	|| (cp "$ENVDEPS_RELEASE_PACKET_DIR/lib64/libjack"* "$APPDIR/usr/lib.extra/jack" &> /dev/null)
+    rm -f "$APPDIR/usr/bin/jack"*
+	rm -f "$APPDIR/usr/lib/libjack"*
+	rm -f "$APPDIR/usr/lib64/libjack"*
+	
     cd "$INSTALL_RELEASE_PACKET_DIR" || return 1
     rm -f "$PK_APPDIR_NAME.tar.gz" || return 1
     tar -czf "$PK_APPDIR_NAME.tar.gz" "$PK_APPDIR_NAME.AppDir" || return 1