diff --git a/nixos/modules/services/networking/nsd.nix b/nixos/modules/services/networking/nsd.nix
index 6e3eed0c557..3ecbd06ee41 100644
--- a/nixos/modules/services/networking/nsd.nix
+++ b/nixos/modules/services/networking/nsd.nix
@@ -11,8 +11,6 @@ let
 
   # build nsd with the options needed for the given config
   nsdPkg = pkgs.nsd.override {
-    configFile = "${configFile}/nsd.conf";
-
     bind8Stats = cfg.bind8Stats;
     ipv6 = cfg.ipv6;
     ratelimit = cfg.ratelimit.enable;
@@ -897,7 +895,10 @@ in
               + "want, please enable 'services.nsd.rootServer'.";
     };
 
-    environment.systemPackages = [ nsdPkg ];
+    environment = {
+      systemPackages = [ nsdPkg ];
+      etc."nsd/nsd.conf".source = "${configFile}/nsd.conf";
+    };
 
     users.groups.${username}.gid = config.ids.gids.nsd;
 
diff --git a/pkgs/servers/dns/nsd/default.nix b/pkgs/servers/dns/nsd/default.nix
index 43c2900443e..8d4125b8fa1 100644
--- a/pkgs/servers/dns/nsd/default.nix
+++ b/pkgs/servers/dns/nsd/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, libevent, openssl
+{ stdenv, fetchurl, libevent, openssl, nixosTests
 , bind8Stats       ? false
 , checking         ? false
 , ipv6             ? true
@@ -11,7 +11,7 @@
 , rrtypes          ? false
 , zoneStats        ? false
 
-, configFile ? "etc/nsd/nsd.conf"
+, configFile ? "/etc/nsd/nsd.conf"
 }:
 
 stdenv.mkDerivation rec {
@@ -52,6 +52,10 @@ stdenv.mkDerivation rec {
     sed 's@$(INSTALL_DATA) nsd.conf.sample $(DESTDIR)$(nsdconfigfile).sample@@g' -i Makefile.in
   '';
 
+  passthru.tests = {
+    inherit (nixosTests) nsd;
+  };
+
   meta = with stdenv.lib; {
     homepage = "http://www.nlnetlabs.nl";
     description = "Authoritative only, high performance, simple and open source name server";