diff --git a/pkgs/development/compilers/hhvm/default.nix b/pkgs/development/compilers/hhvm/default.nix
index a5586117588..817b20af9c4 100644
--- a/pkgs/development/compilers/hhvm/default.nix
+++ b/pkgs/development/compilers/hhvm/default.nix
@@ -40,6 +40,8 @@ stdenv.mkDerivation rec {
       --replace /bin/bash ${stdenv.shell}
     substituteInPlace ./configure \
       --replace "/usr/bin/env bash" ${stdenv.shell}
+    sed '1i#include <vector>' \
+      -i ./third-party/mcrouter/mcrouter/lib/fibers/TimeoutController.h
   '';
 
   cmakeFlags = [ "-DCMAKE_BUILD_TYPE=Release" ];