diff --git a/awx/main/tasks.py b/awx/main/tasks.py
index 68429dd759..6169ed2a90 100644
--- a/awx/main/tasks.py
+++ b/awx/main/tasks.py
@@ -449,7 +449,7 @@ def inspect_execution_nodes(instance_list):
             else:
                 defaults = dict(enabled=False)
                 (changed, instance) = Instance.objects.register(hostname=hostname, node_type='execution', defaults=defaults)
-                logger.warn("Registered execution node '{}' (marked disabled by default)".format(hostname))
+                logger.warn(f"Registered execution node '{hostname}' (marked disabled by default)")
 
             was_lost = instance.is_lost(ref_time=nowtime)
             last_seen = parse_date(ad['Time'])
@@ -461,15 +461,15 @@ def inspect_execution_nodes(instance_list):
 
             if changed:
                 try:
-                    default_ig = InstanceGroup.objects.get(name='default')
+                    default_ig = InstanceGroup.objects.get(name=settings.DEFAULT_EXECUTION_QUEUE_NAME)
                     if instance.hostname not in default_ig.policy_instance_list:
                         default_ig.policy_instance_list += [instance.hostname]
                         default_ig.save(update_fields=['policy_instance_list'])
-                        logger.warn("Updated `default` instance group's policy_instance_list to include execution node '{}'".format(hostname))
+                        logger.warn(f"Updated '{default_ig.name}' instance group's policy_instance_list to include execution node '{hostname}'")
                     else:
-                        logger.warn("`default` instance group's policy_instance_list already listed execution node '{}'".format(hostname))
+                        logger.warn(f"'{default_ig.name}' instance group's policy_instance_list already listed execution node '{hostname}'")
                 except InstanceGroup.DoesNotExist:
-                    logger.error(f"Unable to add execution node '{hostname}' to 'default' instance group; group not found.")
+                    logger.error(f"Unable to add execution node '{hostname}' to '{default_ig.name}' instance group; group not found.")
 
                 execution_node_health_check.apply_async([hostname])
             elif was_lost: