diff --git a/nixos/modules/services/games/asf.nix b/nixos/modules/services/games/asf.nix
index 31a112d6c74..ed1a5544d7a 100644
--- a/nixos/modules/services/games/asf.nix
+++ b/nixos/modules/services/games/asf.nix
@@ -13,7 +13,7 @@ let
     # is in theory not needed as this is already the default for default builds
     UpdateChannel = 0;
     Headless = true;
-  } // lib.optionalAttrs (cfg.ipcPasswordFile != "") {
+  } // lib.optionalAttrs (cfg.ipcPasswordFile != null) {
     IPCPassword = "#ipcPassword#";
   });
 
@@ -94,7 +94,8 @@ in
     };
 
     ipcPasswordFile = mkOption {
-      type = types.path;
+      type = types.nullOr types.path;
+      default = null;
       description = "Path to a file containig the password. The file must be readable by the <literal>asf</literal> user/group.";
     };
 
@@ -159,7 +160,6 @@ in
     users = {
       users.asf = {
         home = cfg.dataDir;
-        homeMode = "700";
         isSystemUser = true;
         group = "asf";
         description = "Archis-Steam-Farm service user";
@@ -174,13 +174,17 @@ in
         wantedBy = [ "multi-user.target" ];
 
         serviceConfig = mkMerge [
-          (mkIf (cfg.dataDir == "/var/lib/asf") { StateDirectory = "asf"; })
+          (mkIf (cfg.dataDir == "/var/lib/asf") {
+            StateDirectory = "asf";
+            StateDirectoryMode = "700";
+          })
           {
             User = "asf";
             Group = "asf";
             WorkingDirectory = cfg.dataDir;
             Type = "simple";
             ExecStart = "${cfg.package}/bin/ArchiSteamFarm --path ${cfg.dataDir} --process-required --no-restart --service --no-config-migrate";
+            Restart = "always";
 
             # mostly copied from the default systemd service
             PrivateTmp = true;
@@ -222,7 +226,10 @@ in
             mkdir -p config
 
             cp --no-preserve=mode ${asf-config} config/ASF.json
-            ${replaceSecretBin} '#ipcPassword#' '${cfg.ipcPasswordFile}' config/ASF.json
+
+            ${optionalString (cfg.ipcPasswordFile != null) ''
+              ${replaceSecretBin} '#ipcPassword#' '${cfg.ipcPasswordFile}' config/ASF.json
+            ''}
 
             ${optionalString (cfg.ipcSettings != {}) ''
               ln -fs ${ipc-config} config/IPC.config
@@ -243,6 +250,6 @@ in
 
   meta = {
     buildDocsInSandbox = false;
-    maintainers = with maintainers; [ lom ];
+    maintainers = with maintainers; [ lom SuperSandro2000 ];
   };
 }