diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2cb9c381918ca6749e93e7d49aef071a4eb7c3da..1b2a72e48b5fbd9d87f0e414c849d0937eb50242 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 }}"