diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 266c878a1..8fd8d301f 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -29,6 +29,12 @@ jobs:
           MYSQL_DATABASE: romm_test
           MYSQL_ROOT_PASSWORD: passwd
         options: --health-cmd="mysqladmin ping" --health-interval=5s --health-timeout=2s --health-retries=3
+      valkey:
+        image: valkey/valkey:7.2
+        ports:
+          - 6379
+        options: >-
+          --health-cmd="redis-cli ping" --health-interval=5s --health-timeout=2s --health-retries=3
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4.3.0
@@ -57,6 +63,8 @@ jobs:
         env:
           DB_HOST: 127.0.0.1
           DB_PORT: ${{ job.services.mariadb.ports['3306'] }}
+          REDIS_HOST: 127.0.0.1
+          REDIS_PORT: ${{ job.services.valkey.ports['6379'] }}
         run: |
           cd backend
           uv run pytest -vv --maxfail=10 --junitxml=pytest-report.xml --cov --cov-report xml:coverage.xml --cov-config=.coveragerc .
diff --git a/backend/tasks/tasks.py b/backend/tasks/tasks.py
index 6d6345e94..076de6726 100644
--- a/backend/tasks/tasks.py
+++ b/backend/tasks/tasks.py
@@ -1,5 +1,6 @@
 from abc import ABC, abstractmethod
 from enum import Enum
+from itertools import chain
 from typing import Any
 
 import httpx
@@ -77,7 +78,7 @@ class PeriodicTask(Task, ABC):
         self.func = func
 
     def _get_existing_job(self) -> Job | None:
-        existing_jobs = tasks_scheduler.get_jobs()
+        existing_jobs = chain(tasks_scheduler.get_jobs(), low_prio_queue.get_jobs())
         for job in existing_jobs:
             if isinstance(job, Job) and get_job_func_name(job) == self.func:
                 return job
diff --git a/backend/tests/tasks/test_prevent_requeue.py b/backend/tests/tasks/test_prevent_requeue.py
new file mode 100644
index 000000000..da31f0ddf
--- /dev/null
+++ b/backend/tests/tasks/test_prevent_requeue.py
@@ -0,0 +1,48 @@
+import unittest
+from unittest.mock import MagicMock, patch
+
+from rq.job import Job
+
+from tasks.tasks import PeriodicTask, TaskType
+
+
+def dummy_task():
+    pass
+
+
+class TestTask(PeriodicTask):
+    async def run(self, *args, **kwargs):
+        pass
+
+
+class TestPreventRequeue(unittest.TestCase):
+    @patch("tasks.tasks.tasks_scheduler")
+    @patch("tasks.tasks.low_prio_queue")
+    def test_task_not_scheduled_if_in_queue(
+        self, mock_low_prio_queue, mock_tasks_scheduler
+    ):
+        for method_name in ["init", "schedule"]:
+            with self.subTest(method=method_name):
+                task = TestTask(
+                    title="Test Task",
+                    description="A test task",
+                    task_type=TaskType.GENERIC,
+                    enabled=True,
+                    manual_run=False,
+                    cron_string="* * * * *",
+                    func="backend.tests.tasks.test_prevent_requeue.dummy_task",
+                )
+
+                mock_job = MagicMock(spec=Job)
+                mock_job.func_name = (
+                    "backend.tests.tasks.test_prevent_requeue.dummy_task"
+                )
+
+                mock_low_prio_queue.get_jobs.return_value = [mock_job]
+                mock_tasks_scheduler.get_jobs.return_value = []
+
+                method_to_call = getattr(task, method_name)
+                result = method_to_call()
+
+                self.assertIsNone(result)
+                mock_tasks_scheduler.cron.assert_not_called()
diff --git a/backend/tests/tasks/test_scan_library.py b/backend/tests/tasks/test_scan_library.py
index f9876a11f..54be8feec 100644
--- a/backend/tests/tasks/test_scan_library.py
+++ b/backend/tests/tasks/test_scan_library.py
@@ -2,13 +2,16 @@ from unittest.mock import AsyncMock, MagicMock
 
 import pytest
 
+from handler.metadata.flashpoint_handler import FlashpointHandler
 from handler.metadata.hasheous_handler import HasheousHandler
+from handler.metadata.hltb_handler import HLTBHandler
 from handler.metadata.igdb_handler import IGDBHandler
 from handler.metadata.launchbox_handler import LaunchboxHandler
 from handler.metadata.moby_handler import MobyGamesHandler
 from handler.metadata.ra_handler import RAHandler
 from handler.metadata.sgdb_handler import SGDBBaseHandler
 from handler.metadata.ss_handler import SSHandler
+from handler.metadata.tgdb_handler import TGDBHandler
 from handler.scan_handler import MetadataSource, ScanType
 from tasks.scheduled.scan_library import ScanLibraryTask, scan_library_task
 
@@ -32,6 +35,9 @@ class TestScanLibraryTask:
         mocker.patch.object(RAHandler, "is_enabled", return_value=True)
         mocker.patch.object(SGDBBaseHandler, "is_enabled", return_value=False)
         mocker.patch.object(SSHandler, "is_enabled", return_value=False)
+        mocker.patch.object(FlashpointHandler, "is_enabled", return_value=False)
+        mocker.patch.object(HLTBHandler, "is_enabled", return_value=False)
+        mocker.patch.object(TGDBHandler, "is_enabled", return_value=False)
         mocker.patch("tasks.scheduled.scan_library.ENABLE_SCHEDULED_RESCAN", True)
         mock_scan_platforms = mocker.patch(
             "tasks.scheduled.scan_library.scan_platforms"