diff --git a/Dockerfile b/Dockerfile
index db37e79a8ff5fbe538836ad246ca08d3e8bade9d..2e4b0d43a40c8ab78c072cee73bd8c48c47518d6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ RUN apt update && apt install -y  --no-install-recommends \
 RUN docker-php-ext-install pdo gettext curl gd mbstring zip pdo pdo_mysql mysqli
 
 # Branch Arg
-ARG BRANCH=trunk
+ARG BRANCH=branches/4.5
 
 # Checkout studip
 RUN svn export  --username=studip --password=studip --non-interactive "svn://develop.studip.de/studip/$BRANCH" /var/www/studip