diff --git a/nixos/module.nix b/nixos/module.nix
index d1cec98..4eebd19 100644
--- a/nixos/module.nix
+++ b/nixos/module.nix
@@ -50,6 +50,7 @@ in
       ];
       after = [ "network-online.target" ];
       wants = [ "network-online.target" ];
+      wantedBy = [ "multi-user.target" ];
       serviceConfig = {
         User = "root";
         ExecStart = "${selfprivacy-graphql-api}/bin/app.py";
@@ -84,6 +85,7 @@ in
       ];
       after = [ "network-online.target" ];
       wants = [ "network-online.target" ];
+      wantedBy = [ "multi-user.target" ];
       serviceConfig = {
         User = "root";
         ExecStart = "${pkgs.python312Packages.huey}/bin/huey_consumer.py selfprivacy_api.task_registry.huey";
@@ -116,7 +118,7 @@ in
         ExecStart = ''
           ${nixos-rebuild} switch --flake .#${config-id}
         '';
-        KillMode = "none";
+        KillMode = "mixed";
         SendSIGKILL = "no";
       };
       restartIfChanged = false;
@@ -143,7 +145,7 @@ in
         ExecStart = ''
           ${nixos-rebuild} switch --flake .#${config-id}
         '';
-        KillMode = "none";
+        KillMode = "mixed";
         SendSIGKILL = "no";
       };
       restartIfChanged = false;
@@ -165,7 +167,7 @@ in
         ExecStart = ''
           ${nixos-rebuild} switch --rollback --flake .#${config-id}
         '';
-        KillMode = "none";
+        KillMode = "mixed";
         SendSIGKILL = "no";
       };
       restartIfChanged = false;
diff --git a/selfprivacy_api/backup/__init__.py b/selfprivacy_api/backup/__init__.py
index c80464c..69522a2 100644
--- a/selfprivacy_api/backup/__init__.py
+++ b/selfprivacy_api/backup/__init__.py
@@ -258,7 +258,6 @@ class Backups:
             Backups._on_new_snapshot_created(service_name, snapshot)
             if reason == BackupReason.AUTO:
                 Backups._prune_auto_snaps(service)
-            service.post_restore()
         except Exception as error:
             Jobs.update(job, status=JobStatus.ERROR, error=str(error))
             raise error
diff --git a/selfprivacy_api/backup/tasks.py b/selfprivacy_api/backup/tasks.py
index 00d2578..15a6f53 100644
--- a/selfprivacy_api/backup/tasks.py
+++ b/selfprivacy_api/backup/tasks.py
@@ -181,7 +181,7 @@ def which_snapshots_to_full_restore() -> list[Snapshot]:
     autoslice = Backups.last_backup_slice()
     api_snapshot = None
     for snap in autoslice:
-        if snap.service_name == "api":
+        if snap.service_name == ServiceManager.get_id():
             api_snapshot = snap
             autoslice.remove(snap)
     if api_snapshot is None:
diff --git a/selfprivacy_api/services/__init__.py b/selfprivacy_api/services/__init__.py
index beefdc9..782e37e 100644
--- a/selfprivacy_api/services/__init__.py
+++ b/selfprivacy_api/services/__init__.py
@@ -234,12 +234,8 @@ class ServiceManager(Service):
     @classmethod
     def pre_backup(cls):
         tempdir = cls.dump_dir()
-        if not path.exists(tempdir):
-            makedirs(tempdir)
-
-        paths = listdir(tempdir)
-        for file in paths:
-            remove(file)
+        rmtree(join(tempdir), ignore_errors=True)
+        makedirs(tempdir)
 
         for p in [USERDATA_FILE, SECRETS_FILE, DKIM_DIR]:
             cls.stash_a_path(p)
diff --git a/tests/test_backup.py b/tests/test_backup.py
index d087782..16589ec 100644
--- a/tests/test_backup.py
+++ b/tests/test_backup.py
@@ -828,7 +828,7 @@ def test_cache_invalidaton_task(backups, dummy_service):
 
 def test_service_manager_backup_snapshot_persists(backups, generic_userdata, dkim_file):
     # There was a bug with snapshot disappearance due to post_restore hooks, checking for that
-    manager = ServiceManager.get_service_by_id("api")
+    manager = ServiceManager.get_service_by_id(ServiceManager.get_id())
     assert manager is not None
 
     snapshot = Backups.back_up(manager)
@@ -844,7 +844,7 @@ def test_service_manager_backs_up_without_crashing(
     """
     Service manager is special and needs testing.
     """
-    manager = ServiceManager.get_service_by_id("api")
+    manager = ServiceManager.get_service_by_id(ServiceManager.get_id())
     assert manager is not None
 
     snapshot = Backups.back_up(manager)