diff --git a/codex-rs/core/src/session/session.rs b/codex-rs/core/src/session/session.rs
index 4453e908cd..df3eacb543 100644
--- a/codex-rs/core/src/session/session.rs
+++ b/codex-rs/core/src/session/session.rs
@@ -1175,7 +1175,7 @@ impl Session {
                     service_tier: session_configuration.service_tier.clone(),
                     approval_policy: session_configuration.approval_policy.value(),
                     approvals_reviewer: session_configuration.approvals_reviewer,
-                    permission_profile: session_configuration.permission_profile(),
+                    permission_profile: session_configuration.materialized_permission_profile(),
                     active_permission_profile: session_configuration.active_permission_profile(),
                     cwd: session_configuration.cwd().clone(),
                     reasoning_effort: session_configuration.collaboration_mode.reasoning_effort(),