diff --git a/tools/ci/config/rules.yml b/tools/ci/config/rules.yml
index 5f6be0a2e0..cb95be0de8 100644
--- a/tools/ci/config/rules.yml
+++ b/tools/ci/config/rules.yml
@@ -198,6 +198,7 @@
 
 .rules:tests:unit_test_c3:
   rules:
+    - <<: *if-protected-no_label
     - <<: *if-label-unit_test
     - <<: *if-label-unit_test-c3