diff --git a/hosts/jupiter/configuration.nix b/hosts/jupiter/configuration.nix
index b606795..99573f5 100644
--- a/hosts/jupiter/configuration.nix
+++ b/hosts/jupiter/configuration.nix
@@ -37,6 +37,9 @@
   # systemd-boot for UEFI. If ZimaBlade boots legacy/BIOS, switch to grub.
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
+  # common.nix's cap of 5 comes from this box's own 34-generation incident,
+  # but at ~5G free on a 29G eMMC even 5 is too many — override down to 2.
+  boot.loader.systemd-boot.configurationLimit = lib.mkForce 2;
 
   # Root lives on the ZimaBlade eMMC (mmcblk0). nixos-generate-config runs in
   # the RAM installer and does NOT detect these, so pin them here (merged with