diff --git a/.github/workflows/generate-site.yaml b/.github/workflows/generate-site.yaml
index d899aac..c632889 100644
--- a/.github/workflows/generate-site.yaml
+++ b/.github/workflows/generate-site.yaml
@@ -1,7 +1,8 @@
 name: Generate site to GitHub pages
 on:
   push:
-    - master
+    branches:
+      - master
 jobs:
   generate-site:
     runs-on: ubuntu-latest