diff --git a/src/ax/ai/google-gemini/api.ts b/src/ax/ai/google-gemini/api.ts
index 2c36af2..804f693 100644
--- a/src/ax/ai/google-gemini/api.ts
+++ b/src/ax/ai/google-gemini/api.ts
@@ -378,6 +378,10 @@ export class AxAIGoogleGemini extends AxBaseAI<
             throw new Error('Finish reason: RECITATION');
         }
 
+        if (!candidate.content.parts) {
+          return result;
+        }
+
         for (const part of candidate.content.parts) {
           if ('text' in part) {
             result.content = part.text;