diff --git a/pkgs/servers/monitoring/prometheus/knot-exporter.nix b/pkgs/servers/monitoring/prometheus/knot-exporter.nix
index f1c4c60531d..9d99685b569 100644
--- a/pkgs/servers/monitoring/prometheus/knot-exporter.nix
+++ b/pkgs/servers/monitoring/prometheus/knot-exporter.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, lib, python3 }:
+{ stdenv, fetchFromGitHub, lib, python3, nixosTests }:
 
 stdenv.mkDerivation rec {
   pname = "knot-exporter";
@@ -27,6 +27,8 @@ stdenv.mkDerivation rec {
     runHook postInstall
   '';
 
+  passthru.tests = { inherit (nixosTests.prometheus-exporters) knot; };
+
   meta = with lib; {
     homepage = "https://github.com/ghedo/knot_exporter";
     description = " Prometheus exporter for Knot DNS";