diff --git a/ChangeLog.md b/ChangeLog.md
index dedda15..3459fab 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -7,6 +7,9 @@
 * CommonAddon, PatcherAddon
   * fix printing messages
 
+* PatcherAddon
+  * fix DalvikVM crash
+
 * Uninstaller
   * fix error in error-printing (sic!)
 
diff --git a/patcher/CommonPatcher b/patcher/CommonPatcher
index f2d4e32..1d76110 100644
--- a/patcher/CommonPatcher
+++ b/patcher/CommonPatcher
@@ -13,6 +13,7 @@
 setup_environment () {
 	TMPDIR=/dev/tmp/install
 
+	export ANDROID_DATA=${TMPDIR}
 	export PATCHER_ADDOND_DATA=/data/adb/nanodroid_patcher
 
 	MAGISK_IMG=/data/adb/magisk.img
@@ -20,12 +21,8 @@ setup_environment () {
 }
 
 ui_print() {
-	if $BOOTMODE; then
-		echo "$1"
-	else 
-		echo -n -e "ui_print $1\n" >> /proc/self/fd/$OUTFD
-		echo -n -e "ui_print\n" >> /proc/self/fd/$OUTFD
-	fi
+	echo -n -e "ui_print $1\n" >> /proc/self/fd/$OUTFD
+	echo -n -e "ui_print\n" >> /proc/self/fd/$OUTFD
 }
 
 is_mounted () {
@@ -222,6 +219,8 @@ detect_arch () {
 	V_EX=${BASEDIR}/vdexExtractor.${ARCH}
 
 	chmod 0755 ${BUSY}
+
+	rm -rf ${BASEDIR}/busybox
 	mkdir -p ${BASEDIR}/busybox
 
 	ln -sf ${BUSY} ${BASEDIR}/busybox/busybox
diff --git a/patcher/dexpatcher/999-nanodroidpatcher.sh b/patcher/dexpatcher/999-nanodroidpatcher.sh
index 444a1de..7304534 100644
--- a/patcher/dexpatcher/999-nanodroidpatcher.sh
+++ b/patcher/dexpatcher/999-nanodroidpatcher.sh
@@ -12,7 +12,7 @@
 # 
 ##########################################################################################
 
-. /tmp/backuptool.functions
+source /tmp/backuptool.functions
 
 if [ ! -f /data/adb/nanodroid_patcher/CommonPatcher ]; then
 	echo " !! failed to load CommonPatcher"
@@ -22,28 +22,13 @@ else
 fi
 
 setup_environment
-OUTFD=
-
 BASEDIR=/data/adb/nanodroid_patcher
+export ANDROID_DATA=${BASEDIR}
 PATCH_CORE="${BASEDIR}/core_services.jar.dex"
 
-detect_outfd () {
-	if [ -z $OUTFD ] || readlink /proc/$$/fd/$OUTFD | grep -q /tmp; then
-		# We will have to manually find out OUTFD
-		for FD in `ls /proc/$$/fd`; do
-			if readlink /proc/$$/fd/$FD | grep -q pipe; then
-				if ps | grep -v grep | grep -q " 3 $FD "; then
-					OUTFD=$FD
-					break
-				fi
-			fi
-		done
-	fi
-}
-
-detect_outfd
-
 NanoDroidPatcher () {
+	sleep 5
+
 	ui_print " "
 	ui_print "*******************************"
 	ui_print "   NanoDroid Framework Patcher   "
@@ -60,7 +45,8 @@ NanoDroidPatcher () {
 	[ -f /data/adb/NanoDroid_Patched ] && \
 		rm -f /data/adb/NanoDroid_Patched
 
-	for artifact in busybox classes.dex oat services.jar services.jar-mod;
+	for artifact in classes.dex oat dalvik-cache \
+		services.jar services.jar-mod; do
 		rm -rf ${BASEDIR}/${artifact}
 	done
 
@@ -91,7 +77,10 @@ NanoDroidPatcher () {
 # Check environment
 ##########################################################################################
 
-if [ ! -d /data/adb/nanodroid_patcher ]; then
+OUTFD=
+detect_outfd
+
+if ! test -d /data/adb/nanodroid_patcher ; then
 	ui_print " "
 	ui_print " !! NanoDroid-Patcher environment missing"
 	ui_print " !! guessing, you've wiped /data ?"
@@ -121,7 +110,7 @@ case "${1}" in
 		# Stub
 	;;
 	post-restore)
-		NanoDroidPatcher
+		(NanoDroidPatcher) &
 	;;
 esac