diff --git a/pkgs/tools/networking/dd-agent/default.nix b/pkgs/tools/networking/dd-agent/default.nix
index bda5719d278..c63056d5b67 100644
--- a/pkgs/tools/networking/dd-agent/default.nix
+++ b/pkgs/tools/networking/dd-agent/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchgit, python }:
+{ stdenv, fetchgit, python, sysstat }:
 
 stdenv.mkDerivation rec {
     name = "dd-agent-ab14fde6f9";
@@ -11,6 +11,8 @@ stdenv.mkDerivation rec {
 
     buildInputs = [ python ];
 
+    propagatedUserEnvPkgs = [ sysstat ];
+
     postUnpack = "export sourceRoot=$sourceRoot/packaging";
 
     makeFlags = [ "BUILD=$(out)" ];