diff --git a/usr/share/rear/finalize/Linux-ppc64le/620_install_grub2.sh b/usr/share/rear/finalize/Linux-ppc64le/620_install_grub2.sh
index c025619d..93f45e2b 100644
--- a/usr/share/rear/finalize/Linux-ppc64le/620_install_grub2.sh
+++ b/usr/share/rear/finalize/Linux-ppc64le/620_install_grub2.sh
@@ -22,6 +22,7 @@ fi
 
 LogPrint "Installing GRUB2 boot loader"
 mount -t proc none $TARGET_FS_ROOT/proc
+mount -t sysfs sys $TARGET_FS_ROOT/sys
 
 if [[ -r "$LAYOUT_FILE" ]]; then
 
@@ -72,4 +73,5 @@ if [[ "$NOBOOTLOADER" ]]; then
     LogIfError "No bootloader configuration found. Install boot partition manually"
 fi
 
+umount $TARGET_FS_ROOT/sys
 umount $TARGET_FS_ROOT/proc