diff --git a/coreboot.nix b/coreboot.nix
index 67f4513..827e4df 100644
--- a/coreboot.nix
+++ b/coreboot.nix
@@ -112,7 +112,8 @@ in rec {
     pname = "coreboot";
     inherit src version;
     nativeBuildInputs = [ faketime fakegit ]
-      ++ lib.optional (conf ? "use-me-cleaner") python3;
+    ++ lib.optional (   conf ? "use-me-cleaner"
+                     || conf ? "seabios") python3;
 
     postPatch = "patchShebangs .";