diff --git a/roles/mysql_server/tasks/main.yml b/roles/mysql_server/tasks/main.yml
index 906e1ba..a00d5f7 100644
--- a/roles/mysql_server/tasks/main.yml
+++ b/roles/mysql_server/tasks/main.yml
@@ -91,7 +91,7 @@
 
 - name: Set root password
   command: |
-    {{ mysql_engine == 'mysql' | ternary('mysqladmin', 'mariadb-admin') }} password "{{ my_root_pass.stdout }}"
+    {{ (mysql_engine == 'mysql') | ternary('mysqladmin', 'mariadb-admin') }} password "{{ my_root_pass.stdout }}"
   when:
     - not my_no_cnf.stat.exists
     - my_root_pass.stdout is defined