diff -Naur mage-0.4.29/usr/lib/mage/smage2.sh mage-0.4.29-busybox/usr/lib/mage/smage2.sh
--- mage-0.4.29/usr/lib/mage/smage2.sh	2011-08-30 18:03:39.000000000 +0200
+++ mage-0.4.29-busybox/usr/lib/mage/smage2.sh	2015-07-24 13:06:40.532491211 +0200
@@ -474,7 +474,7 @@
 			IFTAR="${IFTAR##*.}"
 			if [[ ${IFTAR} = tar ]]
 			then
-				tar --no-same-owner -xvJf ${SOURCEDIR}/${PNAME}/${SRCFILE} -C ${DEST} || die ".tar.xz unpack failed."
+				tar --no-same-owner -xvf ${SOURCEDIR}/${PNAME}/${SRCFILE} -C ${DEST} || die ".tar.xz unpack failed."
 			else
 				pushd ${DEST} > /dev/null
 				xzcat ${SOURCEDIR}/${PNAME}/${SRCFILE} > ${DEST}/$(basename ${SRCFILE} .xz) || die ".xz unpack failed."
@@ -488,7 +488,7 @@
 			tar --no-same-owner -xvzf ${SOURCEDIR}/${PNAME}/${SRCFILE} -C ${DEST} || die ".tgz unpack failed."
 			;;
 		txz|mpkzs|mpkz)
-			tar --no-same-owner -xvJf ${SOURCEDIR}/${PNAME}/${SRCFILE} -C ${DEST} || die ".txz unpack failed."
+			tar --no-same-owner -xvf ${SOURCEDIR}/${PNAME}/${SRCFILE} -C ${DEST} || die ".txz unpack failed."
 			;;
 		rar)
 			unrar x ${SOURCEDIR}/${PNAME}/${SRCFILE} ${DEST}  || die ".rar unpack failed."