diff --git a/.buildkite/test-nightly.yaml b/.buildkite/test-nightly.yaml
index 27fdc8378..b234bdf8e 100644
--- a/.buildkite/test-nightly.yaml
+++ b/.buildkite/test-nightly.yaml
@@ -12,6 +12,7 @@ steps:
   - label: "Omni Model Test with H100"
     timeout_in_minutes: 180
     depends_on: image-build
+    if: build.env("NIGHTLY") == "1"
     commands:
       - export VLLM_WORKER_MULTIPROC_METHOD=spawn
       - pytest -s -v tests/e2e/online_serving/test_qwen3_omni_expansion.py