diff --git a/services/video-render/providers/veo.py b/services/video-render/providers/veo.py
index ad185b3..ddbfd1d 100644
--- a/services/video-render/providers/veo.py
+++ b/services/video-render/providers/veo.py
@@ -49,9 +49,11 @@ def run_veo_generation(task_id: str, params: dict) -> None:
             "instances": [{"prompt": params["prompt"]}],
             "parameters": {
                 "aspectRatio": params.get("aspect_ratio") or "16:9",
-                "numberOfVideos": 1,
             },
         }
+        # numberOfVideos는 일부 모델(veo-3.0-fast 등) 미지원 — 호출자 명시 시에만 추가
+        if params.get("number_of_videos"):
+            body["parameters"]["numberOfVideos"] = int(params["number_of_videos"])
         if params.get("duration"):
             body["parameters"]["durationSeconds"] = str(params["duration"])
         if params.get("resolution"):