diff --git a/provisioning/box/post-tasks/10-drupal.yml b/provisioning/box/post-tasks/10-drupal.yml
index 55970a7..c3625a7 100644
--- a/provisioning/box/post-tasks/10-drupal.yml
+++ b/provisioning/box/post-tasks/10-drupal.yml
@@ -9,14 +9,20 @@
     path: "{{ drupal_core_path }}/sites/default"
     mode: 0775
     state: directory
+    owner: vagrant
+    group: vagrant
   when: stat_result.stat.exists == true and stat_result.stat.writeable == false
+  become: yes
 
 - name: ensure settings file is still writable
   file:
     path: "{{ drupal_core_path }}/sites/default/settings.php"
     mode: 0664
     state: file
+    owner: vagrant
+    group: vagrant
   when: stat_result.stat.exists == true and stat_result.stat.writeable == false
+  become: yes
 
 - name: Run composer install.
   command: "composer install"