diff --git a/pkgs/tools/networking/dd-agent/default.nix b/pkgs/tools/networking/dd-agent/default.nix
index 6e46174bd10..36b46e5e4cc 100644
--- a/pkgs/tools/networking/dd-agent/default.nix
+++ b/pkgs/tools/networking/dd-agent/default.nix
@@ -14,4 +14,9 @@ stdenv.mkDerivation rec {
     makeFlags = [ "BUILD=$(out)" ];
 
     installTargets = [ "install_base" "install_full" ];
+
+    postInstall = ''
+      mv $out/usr/* $out
+      rmdir $out/usr
+    '';
 }