diff --git a/roles/phabricator/tasks/main.yml b/roles/phabricator/tasks/main.yml
index f90ff648a9..eaa0d002db 100644
--- a/roles/phabricator/tasks/main.yml
+++ b/roles/phabricator/tasks/main.yml
@@ -27,6 +27,7 @@
     state: present
     login_user: root
     login_password: "{{ mariadb_root_password }}"
+    login_unix_socket: "/var/lib/mysql/mysql.sock"
   delegate_to: "{{ inventory_hostname }}"
 
 - name: create phabricator daemon user