diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index de2d200d1cc9686e9bbace2e398b895a40d7d7ad..1e0a1445506c6ed40abbd23c15cf0d0903d17523 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -42,7 +42,7 @@     steps:
     - name: Checkout repository
       uses: actions/checkout@v3
     - name: Install nix
-  push:
+      - master
   pull_request:
       with:
         nix_path: "${{ matrix.nixPath }}"