diff --git a/nix/module.nix b/nix/module.nix
index 0938e07..84bb9eb 100644
--- a/nix/module.nix
+++ b/nix/module.nix
@@ -75,6 +75,7 @@ in {
         IKY_FRONT_DIR = "${cfg.package}/share/iky/frontend";
         IKY_SEARCH_TTL = cfg.searchTTL;
         IKY_CLEANUP_INTERVAL = cfg.cleanupInterval;
+        HOME = "%S/iky";
       };
 
       serviceConfig = {