diff --git a/INSTALL/grub/grub.cfg b/INSTALL/grub/grub.cfg
index d1b7c960..37f67564 100644
--- a/INSTALL/grub/grub.cfg
+++ b/INSTALL/grub/grub.cfg
@@ -406,6 +406,8 @@ function distro_specify_initrd_file_phase2 {
         vt_linux_specify_initrd_file /360Disk/initrd.gz
     elif [ -f (loop)/porteus/initrd.xz ]; then
         vt_linux_specify_initrd_file /porteus/initrd.xz
+    elif [ -f (loop)/porteux/initrd.zst ]; then
+        vt_linux_specify_initrd_file /porteux/initrd.zst
     elif [ -f (loop)/pyabr/boot/initrfs.img ]; then
         vt_linux_specify_initrd_file /pyabr/boot/initrfs.img
     elif [ -f (loop)/initrd0.img ]; then
@@ -857,6 +859,9 @@ function uefi_linux_menu_func {
             elif [ -f (loop)/boot/syslinux/porteus.cfg ]; then
                 syslinux_configfile (loop)/boot/syslinux/porteus.cfg
                 set vtback_cfg_find=1
+            elif [ -f (loop)/boot/syslinux/porteux.cfg ]; then
+                syslinux_configfile (loop)/boot/syslinux/porteux.cfg
+                set vtback_cfg_find=1
             fi
         fi
 
@@ -1311,6 +1316,9 @@ function legacy_linux_menu_func {
                 elif [ -f (loop)/boot/syslinux/porteus.cfg ]; then
                     syslinux_configfile (loop)/boot/syslinux/porteus.cfg
                     set vtback_cfg_find=1
+                elif [ -f (loop)/boot/syslinux/porteux.cfg ]; then
+                    syslinux_configfile (loop)/boot/syslinux/porteux.cfg
+                    set vtback_cfg_find=1
                 fi
             fi