diff --git a/install_mysql.sh b/install_mysql.sh
index b10b43a..b46d4c8 100755
--- a/install_mysql.sh
+++ b/install_mysql.sh
@@ -4132,7 +4132,7 @@ mysqlx_port   = $MYSQL_X_PORT
 mysqlx_socket = $MYSQL_X_UNIX_SOCKET
 EOF
    fi
-   if [[ -n "$SYSTEMD_PID_DIR" ]]; then
+   if [[ -n "$SYSTEMD_PID_DIR" ]] && [[ "$SYSTEMD_PID_DIR" != "/tmp" ]]; then
        cat << EOF >> ${MYSQL_INSTALL_DIR}/etc/my.cnf
 pid-file      = ${SYSTEMD_PID_DIR}/mysqld.pid
 EOF