diff --git a/doc/src/sgml/ref/createuser.sgml b/doc/src/sgml/ref/createuser.sgml
index 0c47fb4..f330d8e 100644
--- a/doc/src/sgml/ref/createuser.sgml
+++ b/doc/src/sgml/ref/createuser.sgml
@@ -251,6 +251,17 @@ PostgreSQL documentation
      </varlistentry>
 
      <varlistentry>
+      <term><option>--replication</></term>
+      <listitem>
+       <para>
+        The new user will be allowed to initiate streaming replication
+        or put the system in and out of backup mode. If not specified,
+        not allowed to do that.
+       </para>
+      </listitem>
+     </varlistentry>
+
+     <varlistentry>
        <term><option>-?</></term>
        <term><option>--help</></term>
        <listitem>
diff --git a/src/bin/scripts/createuser.c b/src/bin/scripts/createuser.c
index 04bbebc..667a2be 100644
--- a/src/bin/scripts/createuser.c
+++ b/src/bin/scripts/createuser.c
@@ -20,6 +20,8 @@ static void help(const char *progname);
 int
 main(int argc, char *argv[])
 {
+	static int	replication = 0;
+
 	static struct option long_options[] = {
 		{"host", required_argument, NULL, 'h'},
 		{"port", required_argument, NULL, 'p'},
@@ -37,6 +39,7 @@ main(int argc, char *argv[])
 		{"no-inherit", no_argument, NULL, 'I'},
 		{"login", no_argument, NULL, 'l'},
 		{"no-login", no_argument, NULL, 'L'},
+		{"replication", no_argument, &replication, 1},
 		/* adduser is obsolete, undocumented spelling of superuser */
 		{"adduser", no_argument, NULL, 'a'},
 		{"no-adduser", no_argument, NULL, 'A'},
@@ -145,6 +148,9 @@ main(int argc, char *argv[])
 			case 'N':
 				encrypted = TRI_NO;
 				break;
+			case 0:
+				/* this covers the long options */
+				break;
 			default:
 				fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname);
 				exit(1);
@@ -271,6 +277,10 @@ main(int argc, char *argv[])
 		appendPQExpBuffer(&sql, " LOGIN");
 	if (login == TRI_NO)
 		appendPQExpBuffer(&sql, " NOLOGIN");
+	if (replication)
+		appendPQExpBuffer(&sql, " REPLICATION");
+	if (!replication)
+		appendPQExpBuffer(&sql, " NOREPLICATION");
 	if (conn_limit != NULL)
 		appendPQExpBuffer(&sql, " CONNECTION LIMIT %s", conn_limit);
 	appendPQExpBuffer(&sql, ";\n");
@@ -316,6 +326,7 @@ help(const char *progname)
 	printf(_("  -R, --no-createrole       role cannot create roles\n"));
 	printf(_("  -s, --superuser           role will be superuser\n"));
 	printf(_("  -S, --no-superuser        role will not be superuser\n"));
+	printf(_("  --replication             role can initiate replication\n"));
 	printf(_("  --help                    show this help, then exit\n"));
 	printf(_("  --version                 output version information, then exit\n"));
 	printf(_("\nConnection options:\n"));
