diff --git a/man/ltfs_ordered_copy.1 b/man/ltfs_ordered_copy.1
index 0444daee..a31d988f 100644
--- a/man/ltfs_ordered_copy.1
+++ b/man/ltfs_ordered_copy.1
@@ -4,7 +4,7 @@
 ltfs_ordered_copy \- Copy files from source to destination with LTFS order optimization
 .SH SYNOPSIS
 .sp
-\fBltfs_ordered_copy\fR [ \fB-p\fR ]  [ \fB-r\fR ]  [ \fB-t \fITARGET_DIRECTORY\fB\fR ]  [ \fB--keep-tree \fICUTOFF_PREFIX\fB\fR ]  [ \fB-a\fR ]  [ \fB-v\fR ]  [ \fB--verbose \fILOG_LEVEL\fB\fR ]  [ \fB-q\fR ]  [ \fB-h\fR ]  [ \fBSOURCE \fR\fI...\fR ]  [ \fBDESTINATION\fR ] 
+\fBltfs_ordered_copy\fR [ \fB-p\fR ]  [ \fB-r\fR ]  [ \fB-t \fITARGET_DIRECTORY\fB\fR ]  [ \fB--keep-tree \fICUTOFF_PREFIX\fB\fR ]  [ \fB-a\fR ]  [ \fB-v\fR ]  [ \fB--verbose \fILOG_LEVEL\fB\fR ]  [ \fB-q\fR ]  [ \fB--sort-files\fR ]  [ \fB-h\fR ]  [ \fBSOURCE \fR\fI...\fR ]  [ \fBDESTINATION\fR ] 
 .SH "DESCRIPTION"
 .PP
 \fBltfs_ordered_copy\fR is a program to copy files from source to destination with LTFS
@@ -40,6 +40,9 @@ Configure verbosity of logger. VERBOSE shall be 0-6. (Default: 4)
 .TP
 \fB-q, --quiet\fR
 No message outout
+.TP
+\fB--sort-files\fR
+Sort the source file list alphabetically before copying (default: not sorted)
 .SH "COMMAND EXAMPLES"
 .PP
 This section shows various command examples.
diff --git a/man/sgml/ltfs_ordered_copy.sgml b/man/sgml/ltfs_ordered_copy.sgml
index 46f52406..69fbad40 100644
--- a/man/sgml/ltfs_ordered_copy.sgml
+++ b/man/sgml/ltfs_ordered_copy.sgml
@@ -31,6 +31,7 @@
         <arg><option>-v</option></arg>
         <arg><option>--verbose <replaceable>LOG_LEVEL</replaceable></option></arg>
         <arg><option>-q</option></arg>
+        <arg><option>--sort-files</option></arg>
         <arg><option>-h</option></arg>
         <arg choice="opt" Rep="Repeat">SOURCE </arg>
         <arg choice="opt">DESTINATION</arg>
@@ -104,6 +105,12 @@
             <para>No message outout</para>
           </listitem>
         </varlistentry>
+        <varlistentry>
+          <term><option>--sort-files</option></term>
+          <listitem>
+            <para>Sort the source file list alphabetically before copying (default: not sorted)</para>
+          </listitem>
+        </varlistentry>
       </variablelist>
     </refsect1>