diff --git a/app/client/api.ts b/app/client/api.ts
index 30a220ea422..56fa3299624 100644
--- a/app/client/api.ts
+++ b/app/client/api.ts
@@ -144,6 +144,7 @@ export function getHeaders() {
   const headers: Record<string, string> = {
     "Content-Type": "application/json",
     "x-requested-with": "XMLHttpRequest",
+    "Accept": "application/json",
   };
   const modelConfig = useChatStore.getState().currentSession().mask.modelConfig;
   const isGoogle = modelConfig.model === "gemini-pro";