diff --git a/.github/push-iso b/.github/push-iso
index f64f5d8..9902f17 100644
--- a/.github/push-iso
+++ b/.github/push-iso
@@ -1 +1 @@
-27
+28
diff --git a/build.sh b/build.sh
index 7ca6567..d521add 100755
--- a/build.sh
+++ b/build.sh
@@ -76,9 +76,11 @@ done
 mkdir -p ./output
 
 xorriso \
+    -iso-level 3 \
     -as mkisofs \
     -V $LIVE_BOOT_VOLUME_NAME \
-    -e "$LIVE_BOOT_PATH/efiboot.img" \
+    -append_partition 2 0xef "$LIVE_BOOT_PATH/efiboot.img" \
+    -J -joliet-long \
     -no-emul-boot \
     -o "./output/$ISO_IMAGE" \
     "$LIVE_BOOT_DATA_PATH"