diff --git a/packages/opencode/src/session/message-v2.ts b/packages/opencode/src/session/message-v2.ts
index 08e6cf0bc..d0f2beb74 100644
--- a/packages/opencode/src/session/message-v2.ts
+++ b/packages/opencode/src/session/message-v2.ts
@@ -477,7 +477,7 @@ export namespace MessageV2 {
       }
 
       if (msg.info.role === "assistant") {
-        const differentModel = `${model.providerID}/${model.api.id}` !== `${msg.info.providerID}/${msg.info.modelID}`
+        const differentModel = `${model.providerID}/${model.id}` !== `${msg.info.providerID}/${msg.info.modelID}`
 
         if (
           msg.info.error &&