diff --git a/installer/nixos-install.sh b/installer/nixos-install.sh
index 1dae5d74fdb..abf99cc60f1 100644
--- a/installer/nixos-install.sh
+++ b/installer/nixos-install.sh
@@ -123,7 +123,7 @@ cp /etc/resolv.conf $mountPoint/etc/
 # the CD can be copied directly.
 echo "registering substitutes to speed up builds..."
 chroot $mountPoint @nix@/bin/nix-store --clear-substitutes
-if test -e /mnt/MANIFEST; then
+if test -e /MANIFEST; then
     chroot $mountPoint @nix@/bin/nix-pull file:///mnt/MANIFEST
 fi
 rm -f $mountPoint/tmp/inst-store