diff --git a/.github/workflows/kms-tests.yml b/.github/workflows/kms-tests.yml
index 16fbc6dd9..ea1396589 100644
--- a/.github/workflows/kms-tests.yml
+++ b/.github/workflows/kms-tests.yml
@@ -19,7 +19,7 @@ on:
       - 'test/kms/**'
 
 concurrency:
-  group: ${{ github.head_ref }}/kms-tests
+  group: ${{ github.head_ref || github.ref }}-kms-tests
   cancel-in-progress: true
 
 permissions: