diff --git a/nix/common.nix b/nix/common.nix
index 5ade721..1d62fb2 100644
--- a/nix/common.nix
+++ b/nix/common.nix
@@ -14,4 +14,7 @@
     git
     python3
   ];
+
+  # ZFS is (sometimes) broken and prevents building without this
+  nixpkgs.config.allowBroken = true;
 }
diff --git a/nix/t2-iso-gnome.nix b/nix/t2-iso-gnome.nix
index b263bae..2488722 100644
--- a/nix/t2-iso-gnome.nix
+++ b/nix/t2-iso-gnome.nix
@@ -16,7 +16,4 @@
     pulse.enable = true;
     alsa.enable = true;
   };
-
-  # ZFS is broken and prevents building without this
-  nixpkgs.config.allowBroken = true;
 }
diff --git a/nix/t2-iso-minimal.nix b/nix/t2-iso-minimal.nix
index a6d1b6e..4322d03 100644
--- a/nix/t2-iso-minimal.nix
+++ b/nix/t2-iso-minimal.nix
@@ -7,7 +7,4 @@
     nixos-hardware.nixosModules.apple-t2
     ./common.nix
   ];
-
-  # ZFS is broken and prevents building without this
-  nixpkgs.config.allowBroken = true;
 }