--- a/arch/parisc/install.sh	2022-01-05 21:26:01.042463247 +0700
+++ b/arch/parisc/install.sh	2022-01-05 21:26:08.467328153 +0700
@@ -37,9 +37,8 @@
 # User may have a custom install script
 
 if [ -n "${INSTALLKERNEL}" ]; then
-  if [ -x ~/bin/${INSTALLKERNEL} ]; then exec ~/bin/${INSTALLKERNEL} "$@"; fi
-  if [ -x /sbin/${INSTALLKERNEL} ]; then exec /sbin/${INSTALLKERNEL} "$@"; fi
-  if [ -x /usr/sbin/${INSTALLKERNEL} ]; then exec /usr/sbin/${INSTALLKERNEL} "$@"; fi
+  if [ -x ~${INSTALLKERNEL} ]; then exec ~${INSTALLKERNEL} "$@"; fi
+  if [ -x ${INSTALLKERNEL} ]; then exec ${INSTALLKERNEL} "$@"; fi
 fi
 
 # Default install