diff --git a/src/auto-reply/reply/commands.ts b/src/auto-reply/reply/commands.ts
index 78bc7010f..5c80076c4 100644
--- a/src/auto-reply/reply/commands.ts
+++ b/src/auto-reply/reply/commands.ts
@@ -444,7 +444,7 @@ export async function handleCommands(params: {
         ...cfg.agent,
         model: {
           ...cfg.agent?.model,
-          primary: model,
+          primary: `${provider}/${model}`,
         },
         contextTokens,
         thinkingDefault: cfg.agent?.thinkingDefault,