diff --git a/compat.nix b/compat.nix
new file mode 100644
index 00000000..180eec54
--- /dev/null
+++ b/compat.nix
@@ -0,0 +1,4 @@
+import (builtins.fetchTarball {
+  url = "https://github.com/edolstra/flake-compat/archive/12c64ca55c1014cdc1b16ed5a804aa8576601ff2.tar.gz";
+  sha256 = "0jm6nzb83wa6ai17ly9fzpqc40wg1viib8klq8lby54agpl213w5";
+})
diff --git a/default.nix b/default.nix
new file mode 100644
index 00000000..aeca3bce
--- /dev/null
+++ b/default.nix
@@ -0,0 +1 @@
+(import ./compat.nix { src = ./.; }).defaultNix
diff --git a/flake.nix b/flake.nix
index 1ed127e3..15e25d50 100644
--- a/flake.nix
+++ b/flake.nix
@@ -59,7 +59,7 @@
       generic = import ./nix/generic.nix { inherit version meta; };
 
       pythonComponents = [
-        "vlsisapd" "hurricane" "crlcore" "flute" "etesian"
+        "hurricane" "crlcore" "flute" "etesian"
         "anabatic" "katana" "bora" "katabatic" "kite"
         "tutorial" "unicorn" "oroshi" "cumulus"
       ];
diff --git a/nix/vlsisapd.nix b/nix/vlsisapd.nix
index c01f5725..b3ba3326 100644
--- a/nix/vlsisapd.nix
+++ b/nix/vlsisapd.nix
@@ -9,5 +9,6 @@ let pkg =
     pythonImportsCheck = [ "SPICE" "LIBERTY" "DTR" "Cfg" "CIF" "AGDS" ];
 
     meta.license = lib.licenses.gpl2Plus;
+    meta.broken = true;
   };
 in generic pkg
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 00000000..9cb2616a
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1 @@
+(import ./compat.nix { src = ./.; }).shellNix