diff --git a/.buildkite/dagster-buildkite/dagster_buildkite/pipelines/dagster_oss_main.py b/.buildkite/dagster-buildkite/dagster_buildkite/pipelines/dagster_oss_main.py
index fc8dc0426c6a2..a79cfcde575d1 100644
--- a/.buildkite/dagster-buildkite/dagster_buildkite/pipelines/dagster_oss_main.py
+++ b/.buildkite/dagster-buildkite/dagster_buildkite/pipelines/dagster_oss_main.py
@@ -52,6 +52,7 @@ def build_dagster_oss_main_steps() -> List[BuildkiteStep]:
                     ),
                     "DAGSTER_CHECKOUT_DEPTH": _get_setting("DAGSTER_CHECKOUT_DEPTH") or "100",
                     "OSS_COMPAT_SLIM": "1" if oss_compat_slim else "",
+                    "DAGSTER_FROM_OSS": "1" if pipeline_name == "internal" else "0",
                 },
             ),
         )