diff --git a/codex-rs/core/src/context_manager/updates.rs b/codex-rs/core/src/context_manager/updates.rs
index f3becabc6e..7cf877a728 100644
--- a/codex-rs/core/src/context_manager/updates.rs
+++ b/codex-rs/core/src/context_manager/updates.rs
@@ -106,7 +106,7 @@ fn build_multi_agent_mode_update_item(
         &next.config.multi_agent_v2,
         &next.session_source,
         next.multi_agent_mode,
-        next.features.enabled(Feature::MultiAgentMode),
+        next.config.features.enabled(Feature::MultiAgentMode),
     );
     let previous = previous?;
     if previous.multi_agent_mode == effective_multi_agent_mode {
diff --git a/codex-rs/core/src/session/mod.rs b/codex-rs/core/src/session/mod.rs
index 8b7a15ff08..5d517d712e 100644
--- a/codex-rs/core/src/session/mod.rs
+++ b/codex-rs/core/src/session/mod.rs
@@ -3249,7 +3249,10 @@ impl Session {
             &turn_context.config.multi_agent_v2,
             &session_source,
             turn_context.multi_agent_mode,
-            turn_context.features.enabled(Feature::MultiAgentMode),
+            turn_context
+                .config
+                .features
+                .enabled(Feature::MultiAgentMode),
         ) {
             items.push(ContextualUserFragment::into(
                 MultiAgentModeInstructions::new(multi_agent_mode),
diff --git a/codex-rs/core/src/session/turn_context.rs b/codex-rs/core/src/session/turn_context.rs
index 18d56cdfec..30d7d28e56 100644
--- a/codex-rs/core/src/session/turn_context.rs
+++ b/codex-rs/core/src/session/turn_context.rs
@@ -388,7 +388,7 @@ impl TurnContext {
                 &self.config.multi_agent_v2,
                 &self.session_source,
                 self.multi_agent_mode,
-                self.features.enabled(Feature::MultiAgentMode),
+                self.config.features.enabled(Feature::MultiAgentMode),
             ),
             realtime_active: Some(self.realtime_active),
             effort: self.reasoning_effort.clone(),