diff --git a/modules/nixos-generators/install-iso-graphical.nix b/modules/nixos-generators/install-iso-graphical.nix
index 84ee8bb5..5f1bdf45 100644
--- a/modules/nixos-generators/install-iso-graphical.nix
+++ b/modules/nixos-generators/install-iso-graphical.nix
@@ -13,6 +13,6 @@
   systemd.services.wpa_supplicant.wantedBy = lib.mkForce ["multi-user.target"];
   systemd.services.sshd.wantedBy = lib.mkForce ["multi-user.target"];
 
-  formatAttr = "graphicalIsoImage";
+  formatAttr = "isoImage";
   fileExtension = ".iso";
 }