diff --git a/install_sys.sh b/install_sys.sh
index bf80006..1922a2c 100644
--- a/install_sys.sh
+++ b/install_sys.sh
@@ -47,7 +47,7 @@ echo "sys-boot/grub -fonts -themes" >> $CHROOT/etc/portage/package.use/grub.use
 chroot $CHROOT /bin/bash -c "emerge genkernel"
 chroot $CHROOT /bin/bash -c "emerge gentoo-sources"
 chroot $CHROOT /bin/bash -c "emerge grub"
-echo MAKEOPTS='"'${NJOBS}'"' >> $CHROOT/etc/genkernel.conf
+echo MAKEOPTS='"'-j${NJOBS}'"' >> $CHROOT/etc/genkernel.conf
 chroot $CHROOT /bin/bash -c "genkernel all"
 chroot $CHROOT /bin/bash -c "grub-install /dev/sda"
 chroot $CHROOT /bin/bash -c "grub-mkconfig -o /boot/grub/grub.cfg"