diff --git a/server/api/chatbot-pensees.post.ts b/server/api/chatbot-pensees.post.ts
index 334c95c..8c44148 100644
--- a/server/api/chatbot-pensees.post.ts
+++ b/server/api/chatbot-pensees.post.ts
@@ -89,7 +89,7 @@ export default defineEventHandler(async (event) => {
 
   const query: string = body.query.trim()
   const mode: string = body.mode || 'hybrid'
-  const corpus: string = body.corpus || 'both'
+  const corpus: string = body.corpus || 'pensees'
   const ragUrl: string = (config.ragPeUrl as string) || 'http://localhost:9621'
   const auteurSlug: string | null = body.auteur_slug?.trim().toLowerCase() || null