diff --git a/pkgs/tools/networking/ppp/default.nix b/pkgs/tools/networking/ppp/default.nix
index d7735466ddc..be50397bf1d 100644
--- a/pkgs/tools/networking/ppp/default.nix
+++ b/pkgs/tools/networking/ppp/default.nix
@@ -6,6 +6,7 @@
 , libxcrypt
 , openssl
 , bash
+, nixosTests
 }:
 
 stdenv.mkDerivation rec {
@@ -64,6 +65,10 @@ stdenv.mkDerivation rec {
     substituteInPlace "$out/bin/pon" --replace "/usr/sbin" "$out/bin"
   '';
 
+  passthru.tests = {
+    inherit (nixosTests) pppd;
+  };
+
   meta = with lib; {
     homepage = "https://ppp.samba.org";
     description = "Point-to-point implementation to provide Internet connections over serial lines";