diff --git a/pkgs/applications/networking/p2p/ncdc/default.nix b/pkgs/applications/networking/p2p/ncdc/default.nix
index a06185ed2ae..794f6fe4308 100644
--- a/pkgs/applications/networking/p2p/ncdc/default.nix
+++ b/pkgs/applications/networking/p2p/ncdc/default.nix
@@ -15,5 +15,7 @@ stdenv.mkDerivation rec {
     description = "modern and lightweight direct connect client with a friendly ncurses interface";
     homepage = http://dev.yorhel.nl/ncdc;
     license = stdenv.lib.licenses.mit;
+    platforms = stdenv.lib.platforms.linux; # arbitrary
+    maintainers = [ stdenv.lib.maintainers.emery ];
   };
 }
diff --git a/pkgs/tools/filesystems/f2fs-tools/default.nix b/pkgs/tools/filesystems/f2fs-tools/default.nix
index 72f417ff10b..f52ead32acd 100644
--- a/pkgs/tools/filesystems/f2fs-tools/default.nix
+++ b/pkgs/tools/filesystems/f2fs-tools/default.nix
@@ -21,5 +21,7 @@ stdenv.mkDerivation rec {
     homepage = "http://git.kernel.org/cgit/linux/kernel/git/jaegeuk/f2fs-tools.git/";
     description = "Userland tools for the f2fs filesystem";
     license = stdenv.lib.licenses.gpl2;
+    platforms = stdenv.lib.platforms.linux;
+    maintainers = [ stdenv.lib.maintainers.emery ];
   };
 }