diff --git a/api/app/clients/GoogleClient.js b/api/app/clients/GoogleClient.js
index 15f2e6dc63..b7cc987e45 100644
--- a/api/app/clients/GoogleClient.js
+++ b/api/app/clients/GoogleClient.js
@@ -697,7 +697,7 @@ class GoogleClient extends BaseClient {
         promptPrefix = `${promptPrefix ?? ''}\n${this.options.artifactsPrompt}`.trim();
       }
 
-      if (this.options?.promptPrefix?.length) {
+      if (promptPrefix.length) {
         requestOptions.systemInstruction = {
           parts: [
             {