diff --git a/pkgs/development/libraries/nspr/default.nix b/pkgs/development/libraries/nspr/default.nix
index 03558817fce..55cb75d6b7d 100644
--- a/pkgs/development/libraries/nspr/default.nix
+++ b/pkgs/development/libraries/nspr/default.nix
@@ -28,5 +28,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://www.mozilla.org/projects/nspr/;
     description = "Netscape Portable Runtime, a platform-neutral API for system-level and libc-like functions";
+    platforms = stdenv.lib.platforms.all;
   };
 }