diff --git a/src/commands/agent.ts b/src/commands/agent.ts
index 0bcb444b9..38fcfd92b 100644
--- a/src/commands/agent.ts
+++ b/src/commands/agent.ts
@@ -265,7 +265,7 @@ export async function agentCommand(
     if (needsModelCatalog) {
       modelCatalog = await loadModelCatalog({ config: cfg });
       const allowed = buildAllowedModelSet({
-        cfg,
+        cfg: cfgForModelSelection,
         catalog: modelCatalog,
         defaultProvider,
         defaultModel,