diff --git a/META-INF/com/google/android/update-binary b/META-INF/com/google/android/update-binary
index 1062a16..9872084 100755
--- a/META-INF/com/google/android/update-binary
+++ b/META-INF/com/google/android/update-binary
@@ -14,7 +14,7 @@ $BOOTMODE || DIR=$(dirname "$ZIPFILE");
 [ $DIR == "/sideload" ] && DIR=/tmp;
 
 [ -d /postinstall/tmp ] && POSTINSTALL=/postinstall;
-[ "$AKHOME" ] || AKHOME=$POSTINSTALL/tmp/anykernel;
+[ "$AKHOME" ] || export AKHOME=$POSTINSTALL/tmp/anykernel;
 [ "$ANDROID_ROOT" ] || ANDROID_ROOT=/system;
 
 ui_print() {
@@ -488,7 +488,7 @@ ui_print "Installing...";
 # hack to maintain support for anykernel.sh files that weren't updated correctly along with the AK core
 CORE=$(grep -oE 'ak.*core.sh' anykernel.sh);
 [ -f tools/$CORE ] || ln -s $AKHOME/tools/ak*-core.sh $AKHOME/tools/$CORE;
-home=$AKHOME ash anykernel.sh;
+ash anykernel.sh;
 if [ $? != 0 ]; then
   abort;
 fi;
diff --git a/META-INF/com/google/android/updater-script b/META-INF/com/google/android/updater-script
index 0cbef42..7095161 100644
--- a/META-INF/com/google/android/updater-script
+++ b/META-INF/com/google/android/updater-script
@@ -3,4 +3,4 @@
 # Dummy file; update-binary is a shell script (DO NOT CHANGE)
 #
 #
-# AK_BASE_VERSION=20230423
+# AK_BASE_VERSION=20230503
diff --git a/tools/ak3-core.sh b/tools/ak3-core.sh
index 5b5ecb0..aae06ad 100755
--- a/tools/ak3-core.sh
+++ b/tools/ak3-core.sh
@@ -4,6 +4,7 @@
 [ "$OUTFD" ] || OUTFD=$1;
 
 # set up working directory variables
+[ "$AKHOME" ] && home=$AKHOME;
 [ "$home" ] || home=$PWD;
 bootimg=$home/boot.img;
 bin=$home/tools;