diff --git a/.github/workflows/check.yaml b/.github/workflows/check.yaml
index 2f2ff0674..79b1f8b6e 100644
--- a/.github/workflows/check.yaml
+++ b/.github/workflows/check.yaml
@@ -49,6 +49,7 @@ jobs:
     with:
       additional-env-vars: |
         _R_CHECK_EXAMPLE_TIMING_THRESHOLD_=10
+        NOT_CRAN=true
       enforce-note-blocklist: true
       concurrency-group: non-cran
       unit-test-report-directory: unit-test-report-non-cran