diff --git a/pkgs/tools/security/tboot/default.nix b/pkgs/tools/security/tboot/default.nix
index 8530aab4e70..534ff3fd0ff 100644
--- a/pkgs/tools/security/tboot/default.nix
+++ b/pkgs/tools/security/tboot/default.nix
@@ -31,6 +31,6 @@ stdenv.mkDerivation rec {
     homepage    = http://sourceforge.net/projects/tboot/;
     license     = licenses.bsd3;
     maintainers = with maintainers; [ ak ];
-    platforms   = platforms.linux;
+    platforms   = [ "x86_64-linux" "i686-linux" ];
   };
 }