diff --git a/app/store/chat.ts b/app/store/chat.ts
index ea2c472f..6b403dd6 100644
--- a/app/store/chat.ts
+++ b/app/store/chat.ts
@@ -387,8 +387,7 @@ export const useChatStore = create<ChatStore>()(
         const contextPrompts = session.mask.context.slice();
 
         // system prompts, to get close to OpenAI Web ChatGPT
-        // only will be injected if user does not use a mask or set none context prompts
-        const shouldInjectSystemPrompts = contextPrompts.length === 0;
+        const shouldInjectSystemPrompts = modelConfig.enableInjectSystemPrompts;
         const systemPrompts = shouldInjectSystemPrompts
           ? [
               createMessage({