diff --git a/nixos/modules/services/computing/boinc/client.nix b/nixos/modules/services/computing/boinc/client.nix
index a7edac025384..7becf6240710 100644
--- a/nixos/modules/services/computing/boinc/client.nix
+++ b/nixos/modules/services/computing/boinc/client.nix
@@ -99,14 +99,16 @@ in
       environment.systemPackages = [cfg.package];
 
       users.users.boinc = {
+        group = "boinc";
         createHome = false;
         description = "BOINC Client";
         home = cfg.dataDir;
         isSystemUser = true;
       };
+      users.groups.boinc = {};
 
       systemd.tmpfiles.rules = [
-        "d '${cfg.dataDir}' - boinc - - -"
+        "d '${cfg.dataDir}' - boinc boinc - -"
       ];
 
       systemd.services.boinc = {
@@ -114,7 +116,7 @@ in
         after = ["network.target"];
         wantedBy = ["multi-user.target"];
         script = ''
-          ${fhsEnvExecutable} --dir ${cfg.dataDir} --redirectio ${allowRemoteGuiRpcFlag}
+          ${fhsEnvExecutable} --dir ${cfg.dataDir} ${allowRemoteGuiRpcFlag}
         '';
         serviceConfig = {
           User = "boinc";