diff --git a/tasks/nextcloud.yml b/tasks/nextcloud.yml
index 6a7a0b3..a915e6d 100644
--- a/tasks/nextcloud.yml
+++ b/tasks/nextcloud.yml
@@ -57,6 +57,7 @@
     - 'php {{ nextcloud_install_path }}/occ config:system:set overwrite.cli.url --value https://{{ nextcloud_domain }}'
     - 'php {{ nextcloud_install_path }}/occ config:system:set htaccess.RewriteBase --value /'
     - 'php {{ nextcloud_install_path }}/occ maintenance:update:htaccess'
+    - 'php {{ nextcloud_install_path }}/occ config:system:set default_language --value "de"'
 
 - name: "NC Mailversand einrichten"
   blockinfile: