diff --git a/deployment.sh b/deployment.sh
index 6cdc5a1..316300b 100755
--- a/deployment.sh
+++ b/deployment.sh
@@ -1185,6 +1185,9 @@ sync
 # unmount chroot - what else?
 umount $TARGET || umount -l $TARGET # fall back if a process is still being active
 
+# make sure /etc/fstab is up2date
+blockdev --rereadpt /dev/$DISK
+
 # party time! who brings the whiskey?
 echo "Installation finished. \o/"
 echo