diff --git a/.config/bash/module/Bootstrap.sh b/.config/bash/module/Bootstrap.sh
index 3fa519b..6e076c1 100644
--- a/.config/bash/module/Bootstrap.sh
+++ b/.config/bash/module/Bootstrap.sh
@@ -60,6 +60,7 @@ function bootstrap_nixos() {
 	parted -s "${target}" mkpart primary 512MB 100%
 	parted -s "${target}" name 1 NIXBOOT
 	parted -s "${target}" name 2 NIXROOT
+	parted -s "${target}" set 1 esp on
 
 	# Format.
 	mkfs.fat -F 32 "${target}1"