diff --git a/mod_webpresence/README.txt b/mod_webpresence/README.txt
index 47cc1e3..3d4cb3b 100644
--- a/mod_webpresence/README.txt
+++ b/mod_webpresence/README.txt
@@ -82,6 +82,7 @@ baseurl:
     This informational option is used only when sending a message to the user
     and when building the JavaScript code.
     It is the base part of the URL of the webpresence HTTP content.
+    You can use the keyword @HOST@.
     If the option is not specified, it takes as default value: http://host:port/path/
 
 
diff --git a/mod_webpresence/src/mod_webpresence.erl b/mod_webpresence/src/mod_webpresence.erl
index 238d2c9..d8c01b3 100644
--- a/mod_webpresence/src/mod_webpresence.erl
+++ b/mod_webpresence/src/mod_webpresence.erl
@@ -93,15 +93,16 @@ init([Host, Opts]) ->
     Access = gen_mod:get_opt(access, Opts, fun(O) -> O end, local),
     Port = gen_mod:get_opt(port, Opts, fun(O) -> O end, 5280),
     Path = gen_mod:get_opt(path, Opts, fun(O) -> O end, <<"presence">>),
-    BaseURL = gen_mod:get_opt(baseurl, Opts, fun(O) -> O end,
-                              iolist_to_binary(io_lib:format(<<"http://~s:~p/~s/">>, [Host, Port, Path]))),
+    BaseURL1 = gen_mod:get_opt(baseurl, Opts, fun(O) -> O end,
+                               iolist_to_binary(io_lib:format(<<"http://~s:~p/~s/">>, [Host, Port, Path]))),
+    BaseURL2 = ejabberd_regexp:greplace(BaseURL1, <<"@HOST@">>, Host),
     ejabberd_router:register_route(MyHost),
     ejabberd_hooks:add(remove_user, Host, ?MODULE, remove_user, 50),
     ejabberd_hooks:add(webadmin_menu_host, Host, ?MODULE, web_menu_host, 50),
     ejabberd_hooks:add(webadmin_page_host, Host, ?MODULE, web_page_host, 50),
     {ok, #state{host = MyHost,
 		server_host = Host,
-		base_url = BaseURL,
+		base_url = BaseURL2,
 		access = Access}}.
 
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