diff --git a/doc/src/sgml/ref/createuser.sgml b/doc/src/sgml/ref/createuser.sgml
index 0c47fb4..58846d3 100644
--- a/doc/src/sgml/ref/createuser.sgml
+++ b/doc/src/sgml/ref/createuser.sgml
@@ -241,6 +241,28 @@ PostgreSQL documentation
      </varlistentry>
 
      <varlistentry>
+      <term><option>-x</></term>
+      <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.
+       </para>
+      </listitem>
+     </varlistentry>
+
+     <varlistentry>
+      <term><option>-X</></term>
+      <term><option>--no-replication</></term>
+      <listitem>
+       <para>
+        The new user will not be allowed to initiate streaming replication
+        or put the system in and out of backup mode. This is the default.
+       </para>
+      </listitem>
+     </varlistentry>
+
+     <varlistentry>
        <term><option>-V</></term>
        <term><option>--version</></term>
        <listitem>
diff --git a/src/bin/scripts/createuser.c b/src/bin/scripts/createuser.c
index 04bbebc..556ebaa 100644
--- a/src/bin/scripts/createuser.c
+++ b/src/bin/scripts/createuser.c
@@ -37,6 +37,8 @@ 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, NULL, 'x'},
+		{"no-replication", no_argument, NULL, 'X'},
 		/* adduser is obsolete, undocumented spelling of superuser */
 		{"adduser", no_argument, NULL, 'a'},
 		{"no-adduser", no_argument, NULL, 'A'},
@@ -66,6 +68,7 @@ main(int argc, char *argv[])
 				createrole = TRI_DEFAULT,
 				inherit = TRI_DEFAULT,
 				login = TRI_DEFAULT,
+				replication = TRI_DEFAULT,
 				encrypted = TRI_DEFAULT;
 
 	PQExpBufferData sql;
@@ -78,7 +81,7 @@ main(int argc, char *argv[])
 
 	handle_help_version_opts(argc, argv, "createuser", help);
 
-	while ((c = getopt_long(argc, argv, "h:p:U:wWedDsSaArRiIlLc:PEN",
+	while ((c = getopt_long(argc, argv, "h:p:U:wWedDsSaArRiIlLxXc:PEN",
 							long_options, &optindex)) != -1)
 	{
 		switch (c)
@@ -133,6 +136,12 @@ main(int argc, char *argv[])
 			case 'L':
 				login = TRI_NO;
 				break;
+			case 'x':
+				replication = TRI_YES;
+				break;
+			case 'X':
+				replication = TRI_NO;
+				break;
 			case 'c':
 				conn_limit = optarg;
 				break;
@@ -221,6 +230,9 @@ main(int argc, char *argv[])
 	if (login == 0)
 		login = TRI_YES;
 
+	if (replication == 0)
+		replication = TRI_NO;
+
 	conn = connectDatabase("postgres", host, port, username, prompt_password, progname);
 
 	initPQExpBuffer(&sql);
@@ -271,6 +283,10 @@ main(int argc, char *argv[])
 		appendPQExpBuffer(&sql, " LOGIN");
 	if (login == TRI_NO)
 		appendPQExpBuffer(&sql, " NOLOGIN");
+	if (replication == TRI_YES)
+		appendPQExpBuffer(&sql, " REPLICATION");
+	if (replication == TRI_NO)
+		appendPQExpBuffer(&sql, " NOREPLICATION");
 	if (conn_limit != NULL)
 		appendPQExpBuffer(&sql, " CONNECTION LIMIT %s", conn_limit);
 	appendPQExpBuffer(&sql, ";\n");
@@ -316,6 +332,8 @@ 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(_("  -x, --replication         role can initiate replication\n"));
+	printf(_("  -X, --no-replication      role cannot initiate replication\n"));
 	printf(_("  --help                    show this help, then exit\n"));
 	printf(_("  --version                 output version information, then exit\n"));
 	printf(_("\nConnection options:\n"));
