diff --git a/.gitea/workflows/release.yml b/.gitea/workflows/release.yml
index cf5f4ee..e2ac4be 100644
--- a/.gitea/workflows/release.yml
+++ b/.gitea/workflows/release.yml
@@ -2,9 +2,7 @@ name: Build startup image
 
 on:
   push:
-    branches: [ $default-branch ]
-  pull_request:
-    branches: [ $default-branch ]
+    branches: [ master ]
 
 env:
   # Use docker.io for Docker Hub if empty