diff --git a/src/backend/drivers/ai-image/providers/openai/OpenAiImageProvider.test.ts b/src/backend/drivers/ai-image/providers/openai/OpenAiImageProvider.test.ts
index 5e34462a9..612ffb59b 100644
--- a/src/backend/drivers/ai-image/providers/openai/OpenAiImageProvider.test.ts
+++ b/src/backend/drivers/ai-image/providers/openai/OpenAiImageProvider.test.ts
@@ -253,7 +253,8 @@ describe('OpenAiImageProvider.generate credit gate', () => {
         });
         let blocked = false;
         vi.spyOn(redis, 'meterIncr').mockImplementation(async (...args) => {
-            if (!blocked && args[5].includes(`:actor:${actor.user!.uuid}:`)) {
+            const actorKey = `:actor:${actor.user!.uuid}:`;
+            if (!blocked && args.some((arg) => arg.includes(actorKey))) {
                 blocked = true;
                 await held;
             }