diff --git a/nixos/modules/services/networking/thelounge.nix b/nixos/modules/services/networking/thelounge.nix
index 875d8f66169..a1b06703484 100644
--- a/nixos/modules/services/networking/thelounge.nix
+++ b/nixos/modules/services/networking/thelounge.nix
@@ -62,7 +62,6 @@ in {
     systemd.services.thelounge = {
       description = "The Lounge web IRC client";
       wantedBy = [ "multi-user.target" ];
-      environment = { THELOUNGE_HOME = dataDir; };
       preStart = "ln -sf ${pkgs.writeText "config.js" configJsData} ${dataDir}/config.js";
       serviceConfig = {
         User = "thelounge";
diff --git a/pkgs/development/node-packages/default-v10.nix b/pkgs/development/node-packages/default-v10.nix
index 5d7e2c7668f..9e9d8894f0d 100644
--- a/pkgs/development/node-packages/default-v10.nix
+++ b/pkgs/development/node-packages/default-v10.nix
@@ -125,5 +125,8 @@ nodePackages // {
 
   thelounge = nodePackages.thelounge.override {
     buildInputs = [ nodePackages.node-pre-gyp ];
+    postInstall = ''
+      echo /var/lib/thelounge > $out/lib/node_modules/thelounge/.thelounge_home
+    '';
   };
 }