diff --git a/pkgs/tools/networking/haproxy/default.nix b/pkgs/tools/networking/haproxy/default.nix
index 7d9c00ecaaf3..1b917019662a 100644
--- a/pkgs/tools/networking/haproxy/default.nix
+++ b/pkgs/tools/networking/haproxy/default.nix
@@ -14,9 +14,9 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ openssl zlib ];
 
-  # TODO: make it work on darwin/bsd as well
+  # TODO: make it work on bsd as well
   preConfigure = ''
-    export makeFlags="TARGET=${if stdenv.isSunOS then "solaris" else "linux2628"} PREFIX=$out USE_OPENSSL=yes USE_ZLIB=yes"
+    export makeFlags="TARGET=${if stdenv.isSunOS then "solaris" else if stdenv.isLinux then "linux2628" else "generic"} PREFIX=$out USE_OPENSSL=yes USE_ZLIB=yes ${stdenv.lib.optionalString stdenv.isDarwin "CC=cc USE_KQUEUE=1"}"
   '';
 
   meta = {
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
     '';
     homepage = http://haproxy.1wt.eu;
     maintainers = [ stdenv.lib.maintainers.garbas ];
-    platforms = stdenv.lib.platforms.linux;
+    platforms = with stdenv.lib.platforms; linux ++ darwin;
     license = stdenv.lib.licenses.gpl2;
   };
 }