diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index f3616125a8b..b451e608bb2 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -13,7 +13,7 @@ on:
             - 'doc/**'
 
 concurrency:
-    group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
+    group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
     cancel-in-progress: true
 
 env: