diff --git a/pkgs/development/libraries/http-parser/default.nix b/pkgs/development/libraries/http-parser/default.nix
index e8a8ecee95e4..df3f68b12493 100644
--- a/pkgs/development/libraries/http-parser/default.nix
+++ b/pkgs/development/libraries/http-parser/default.nix
@@ -42,6 +42,6 @@ in stdenv.mkDerivation {
     homepage = https://github.com/joyent/http-parser;
 
     license = stdenv.lib.licenses.mit;
-    platforms = stdenv.lib.platforms.unix;
+    platforms = stdenv.lib.platforms.linux; # Broken on pure-darwin, wants xcode
   };
 }