diff --git a/nixos/modules/virtualisation/incus-virtual-machine.nix b/nixos/modules/virtualisation/incus-virtual-machine.nix
index a5f244a44176..9ef00f5d2c17 100644
--- a/nixos/modules/virtualisation/incus-virtual-machine.nix
+++ b/nixos/modules/virtualisation/incus-virtual-machine.nix
@@ -47,6 +47,7 @@ in
     });
 
     image.repart = {
+      enable = true;
       name = "nixos";
       version = null;
       sectorSize = 512;