--- src/userprefs.h.orig	2013-09-12 11:15:58.000000000 +0200
+++ src/userprefs.h	2013-09-12 11:16:49.000000000 +0200
@@ -557,7 +557,7 @@ void up_init_defaults(UserPrefs *up)
    up->input = 2;    /* correspond to 'Line' on my machine */
    up->rate = 48000;
    up->duration = 10;
-   up->helpCmd = app_strdup("firefox %s");
+   up->helpCmd = app_strdup("openbrowser %s");
    up->userGuide = app_strdup("http://www.rvq.fr/linux/gawman.php");
    up->webSite = app_strdup("http://www.rvq.fr/linux/gaw.php");
 }