diff --git a/awx/main/management/commands/run_task_system.py b/awx/main/management/commands/run_task_system.py
index 6ee41ccd3d..0f83a7aabd 100644
--- a/awx/main/management/commands/run_task_system.py
+++ b/awx/main/management/commands/run_task_system.py
@@ -229,7 +229,7 @@ def rebuild_graph(message):
     graph = SimpleDAG()
     for task in running_tasks:
         graph.add_node(task)
-    for wait_task in waiting_tasks:
+    for wait_task in waiting_tasks[:500]:
         node_dependencies = []
         for node in graph:
             if wait_task.is_blocked_by(node['node_object']):