diff --git a/post-debootstrap-installer.sh b/post-debootstrap-installer.sh
index 44129b0..3425f85 100755
--- a/post-debootstrap-installer.sh
+++ b/post-debootstrap-installer.sh
@@ -25,6 +25,7 @@ apt-get -y install linux-image-amd64
 
 DEBIAN_FRONTEND=noninteractive apt-get -y install grub-pc
 /grub.sh
+update-grub
 
 
 ### Docker