diff --git a/.gitea/workflows/docker.yml b/.gitea/workflows/docker.yml
index c8d7879..23e28a1 100644
--- a/.gitea/workflows/docker.yml
+++ b/.gitea/workflows/docker.yml
@@ -3,7 +3,7 @@ name: Build & Push Docker image
 on:
   push:
     branches:
-      - main
+      - master
   schedule:
     - cron: '0 15 1 * *'  # Jeden 1. des Monats um 15:00 UTC
 
@@ -14,7 +14,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v3
         with:
-          ref: main
+          ref: master
           fetch-depth: 0
 
       - name: Set up Docker buildx