diff --git a/arch/s390/boot/install.sh b/arch/s390/boot/install.sh
index bed227f267ae..515b27a996b3 100644
--- a/arch/s390/boot/install.sh
+++ b/arch/s390/boot/install.sh
@@ -21,15 +21,10 @@
 if [ -x ~/bin/${INSTALLKERNEL} ]; then exec ~/bin/${INSTALLKERNEL} "$@"; fi
 if [ -x /sbin/${INSTALLKERNEL} ]; then exec /sbin/${INSTALLKERNEL} "$@"; fi
 
-# Default install - same as make zlilo
+echo "Warning: '${INSTALLKERNEL}' command not available - additional " \
+     "bootloader config required" >&2
+if [ -f $4/vmlinuz-$1 ]; then mv $4/vmlinuz-$1 $4/vmlinuz-$1.old; fi
+if [ -f $4/System.map-$1 ]; then mv $4/System.map-$1 $4/System.map-$1.old; fi
 
-if [ -f $4/vmlinuz ]; then
-	mv $4/vmlinuz $4/vmlinuz.old
-fi
-
-if [ -f $4/System.map ]; then
-	mv $4/System.map $4/System.old
-fi
-
-cat $2 > $4/vmlinuz
-cp $3 $4/System.map
+cat $2 > $4/vmlinuz-$1
+cp $3 $4/System.map-$1