diff --git a/api/server/controllers/agents/client.js b/api/server/controllers/agents/client.js
index 1bdf809d91..97699e9248 100644
--- a/api/server/controllers/agents/client.js
+++ b/api/server/controllers/agents/client.js
@@ -54,6 +54,7 @@ const omitTitleOptions = new Set([
   'thinkingBudget',
   'includeThoughts',
   'maxOutputTokens',
+  'additionalModelRequestFields',
 ]);
 
 /**