diff --git a/pkgs/tools/networking/i2p/default.nix b/pkgs/tools/networking/i2p/default.nix
index 088e8e8de7fa..9f44a8d84a5e 100644
--- a/pkgs/tools/networking/i2p/default.nix
+++ b/pkgs/tools/networking/i2p/default.nix
@@ -1,8 +1,5 @@
 { stdenv, procps, coreutils, fetchurl, openjdk8, ant, gcj, gettext }:
 
-# TODO: support other systems, just copy appropriate lib/wrapper.. to $out
-assert stdenv.system != "x86_64-linux";
-
 stdenv.mkDerivation rec {
   name = "i2p-0.9.18";
   src = fetchurl {
@@ -36,6 +33,7 @@ stdenv.mkDerivation rec {
     description = "Applications and router for I2P, anonymity over the Internet";
     maintainers = [ stdenv.lib.maintainers.joelmo ];
     licenses = licenses.gpl2;
-    platforms = platforms.linux;
+    # TODO: support other systems, just copy appropriate lib/wrapper.. to $out
+    platforms = [ "x86_64-linux" ];
   };
 }