diff --git a/templates/my.cnf.j2 b/templates/my.cnf.j2
index ed9c766..6005658 100644
--- a/templates/my.cnf.j2
+++ b/templates/my.cnf.j2
@@ -8,6 +8,7 @@ port = {{ mysql_port }}
 bind-address = {{ mysql_bind_address }}
 datadir = {{ mysql_datadir }}
 socket = {{ mysql_socket }}
+pid-file = {{ mysql_pid_file }}
 
 # Logging configuration.
 {% if mysql_log_error == 'syslog' or mysql_log == 'syslog' %}