diff --git a/nixos/modules/virtualisation/incus.nix b/nixos/modules/virtualisation/incus.nix
index 8e26e6c77dd1..8cb42adc0368 100644
--- a/nixos/modules/virtualisation/incus.nix
+++ b/nixos/modules/virtualisation/incus.nix
@@ -111,7 +111,7 @@ let
   environment = lib.mkMerge [
     {
       INCUS_LXC_TEMPLATE_CONFIG = "${pkgs.lxcfs}/share/lxc/config";
-      INCUS_OVMF_PATH = ovmf;
+      INCUS_EDK2_PATH = ovmf;
       INCUS_USBIDS_PATH = "${pkgs.hwdata}/share/hwdata/usb.ids";
       PATH = lib.mkForce serverBinPath;
     }