diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index cdeb8fd..31a2e8d 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -3,8 +3,8 @@
 # SPDX-License-Identifier: MPL-2.0
 name: Nix flake check
 on:
-  - pull_request
-  - push:
+  pull_request:
+  push:
       branches: master
 
 jobs: