diff --git a/docs/plugins/development/background-tasks.md b/docs/plugins/development/background-tasks.md
index df56acfb6..b5afd48af 100644
--- a/docs/plugins/development/background-tasks.md
+++ b/docs/plugins/development/background-tasks.md
@@ -50,6 +50,9 @@ A system background job is not bound to any particular NetBox object. A typical
 
 The `setup()` method can be used to set up a new scheduled job outside the request-response cycle. It can be safely called from the plugin's ready function and will register the new schedule right after all plugins are loaded and the database is connected.
 
+!!! note
+    The default system background job queue is `low`. It can be changed using the [`QUEUE_MAPPINGS`](../../configuration/miscellaneous.md#queue_mappings) setting when using `None` as model.
+
 #### Example
 
 ```python title="jobs.py"
diff --git a/netbox/netbox/settings.py b/netbox/netbox/settings.py
index 64fb24f09..34aae1e69 100644
--- a/netbox/netbox/settings.py
+++ b/netbox/netbox/settings.py
@@ -124,7 +124,9 @@ MEDIA_ROOT = getattr(configuration, 'MEDIA_ROOT', os.path.join(BASE_DIR, 'media'
 METRICS_ENABLED = getattr(configuration, 'METRICS_ENABLED', False)
 PLUGINS = getattr(configuration, 'PLUGINS', [])
 PLUGINS_CONFIG = getattr(configuration, 'PLUGINS_CONFIG', {})
-QUEUE_MAPPINGS = getattr(configuration, 'QUEUE_MAPPINGS', {})
+QUEUE_MAPPINGS = getattr(configuration, 'QUEUE_MAPPINGS', {
+    None: 'low',
+})
 REDIS = getattr(configuration, 'REDIS')  # Required
 RELEASE_CHECK_URL = getattr(configuration, 'RELEASE_CHECK_URL', None)
 REMOTE_AUTH_AUTO_CREATE_GROUPS = getattr(configuration, 'REMOTE_AUTH_AUTO_CREATE_GROUPS', False)