diff --git a/run_agent.py b/run_agent.py
index 2bf27d575101..a97f6c9c0aac 100644
--- a/run_agent.py
+++ b/run_agent.py
@@ -5140,6 +5140,7 @@ class AIAgent:
             acp_command=function_args.get("acp_command"),
             acp_args=function_args.get("acp_args"),
             role=function_args.get("role"),
+            background=function_args.get("background"),
             parent_agent=self,
         )