diff --git a/codex-rs/core/src/tools/handlers/multi_agents/spawn.rs b/codex-rs/core/src/tools/handlers/multi_agents/spawn.rs
index f0a548eae4..3ae4597a8d 100644
--- a/codex-rs/core/src/tools/handlers/multi_agents/spawn.rs
+++ b/codex-rs/core/src/tools/handlers/multi_agents/spawn.rs
@@ -77,7 +77,7 @@ impl ToolHandler for Handler {
         apply_role_to_config(&mut config, role_name)
             .await
             .map_err(FunctionCallError::RespondToModel)?;
-        if fork_context {
+        if args.fork_context {
             restore_forked_spawn_agent_model_config(&mut config, turn.as_ref());
         }
         apply_spawn_agent_runtime_overrides(&mut config, turn.as_ref())?;