diff --git a/install_mysql-5.7.sh b/install_mysql-5.7.sh
index c6a3a0a..0198a16 100755
--- a/install_mysql-5.7.sh
+++ b/install_mysql-5.7.sh
@@ -2503,8 +2503,7 @@ if ! $UPDATE_MYSQL || $_sys_maint_cnf_needed ; then
    fi
 
 
-   _maint_conf_file=${MYSQL_INSTALL_DIR}/sys-maint.cnf
-   echononl "Erstelle ${_maint_conf_file}.." 
+   echononl "Erstelle ${MYSQL_INSTALL_DIR}/sys-maint.cnf.." 
    cat << EOF > ${MYSQL_INSTALL_DIR}/sys-maint.cnf
 [client]
 host     = localhost
@@ -2540,8 +2539,8 @@ $_mysql_slow_query_log
    compress
    sharedscripts
    postrotate
-      MYSQL="`dirname $MYSQL_INSTALL_DIR`/mysql/bin/mysql --defaults-file=$_maint_conf_file"
-      MYADMIN="`dirname $MYSQL_INSTALL_DIR`/mysql/bin/mysqladmin --defaults-file=$_maint_conf_file"
+      MYSQL="`dirname $MYSQL_INSTALL_DIR`/mysql/bin/mysql --defaults-file=${MYSQL_INSTALL_DIR}/sys-maint.cnf"
+      MYADMIN="`dirname $MYSQL_INSTALL_DIR`/mysql/bin/mysqladmin --defaults-file=${MYSQL_INSTALL_DIR}/sys-maint.cnf"
       if [ -z "\`\$MYADMIN ping 2>/dev/null\`" ]; then
          echo "Warning: no mysqld running or missing sys-maint user?"
       else