diff --git a/providers/gpsd/geoclue-gpsd.c b/providers/gpsd/geoclue-gpsd.c
index fed8077..6dcdc1e 100644
--- a/providers/gpsd/geoclue-gpsd.c
+++ b/providers/gpsd/geoclue-gpsd.c
@@ -137,14 +137,10 @@ set_options (GcIfaceGeoclue *gc,
 	}
 	
 	/* new values? */
-	if (host != NULL && gpsd->host != NULL) {
-		changed = (strcmp (host, gpsd->host) != 0);
-	} else if (!(host == NULL && gpsd->host == NULL)) {
+	if (g_strcmp0 (host, gpsd->host) != 0 ||
+	    g_strcmp0 (port, gpsd->port) != 0) {
 		changed = TRUE;
 	}
-	if (!changed) {
-		changed = (strcmp (port, gpsd->port) != 0);
-	}
 	
 	if (!changed) {
 		return TRUE;
@@ -152,10 +148,16 @@ set_options (GcIfaceGeoclue *gc,
 	
 	/* update private values with new ones, restart gpsd */
 	g_free (gpsd->port);
-	if (gpsd->host) {
-		g_free (gpsd->host);
-	}
+	gpsd->port = NULL;
+	g_free (gpsd->host);
+	gpsd->host = NULL;
+
 	geoclue_gpsd_stop_gpsd (gpsd);
+
+	if (host == NULL) {
+		return TRUE;
+	}
+
 	gpsd->port = g_strdup (port);
 	gpsd->host = g_strdup (host);
 	if (!geoclue_gpsd_start_gpsd (gpsd)) {
diff --git a/providers/gypsy/geoclue-gypsy.c b/providers/gypsy/geoclue-gypsy.c
index 57d2a20..96aac34 100644
--- a/providers/gypsy/geoclue-gypsy.c
+++ b/providers/gypsy/geoclue-gypsy.c
@@ -362,17 +362,25 @@ set_options (GcIfaceGeoclue *gc,
              GError        **error)
 {
         GeoclueGypsy *gypsy = GEOCLUE_GYPSY (gc);
-        gpointer device_name;
+        const char *device_name;
         char *path;
 
         device_name = g_hash_table_lookup (options, 
                                            "org.freedesktop.Geoclue.GPSDevice");
-        if (device_name == NULL) {
-                return TRUE;
-        }
+
+        if (g_strcmp0 (gypsy->device_name, device_name) == 0) {
+        	return TRUE;
+	}
+
+	g_free (gypsy->device_name);
+	gypsy->device_name = NULL;
+
+	if (device_name == NULL || *device_name == '\0') {
+		return TRUE;
+	}
 
         gypsy->device_name = g_strdup (device_name);
-        g_print ("Gypsy provider using %s\n", gypsy->device_name);
+        g_print ("Gypsy provider using '%s'\n", gypsy->device_name);
 	path = gypsy_control_create (gypsy->control, gypsy->device_name,
 				     error);
 	if (*error != NULL) {
diff --git a/src/main.c b/src/main.c
index 240d2d8..81d6a45 100644
--- a/src/main.c
+++ b/src/main.c
@@ -22,9 +22,39 @@
 
 static GMainLoop *mainloop;
 static GHashTable *options;
+static GcMaster *master;
 
+
+#define GEOCLUE_GCONF_TOP "/apps/geoclue/master"
 #define GEOCLUE_MASTER_NAME "org.freedesktop.Geoclue.Master"
 
+static void
+gconf_key_changed (GConfClient *client,
+		   guint cnxn_id,
+		   GConfEntry *entry,
+		   gpointer user_data)
+{
+	const char *key, *value;
+	GConfValue *v;
+
+	key = gconf_entry_get_key (entry);
+	v = gconf_entry_get_value (entry);
+	if (v->type != GCONF_VALUE_STRING)
+		return;
+	value = gconf_value_get_string (v);
+
+	g_message ("gconf key changed %s", key);
+
+	/* Don't add empty strings in the hashtable */
+	if (value != NULL && value[0] == '\0')
+		value = NULL;
+
+	g_hash_table_insert (options, g_path_get_basename (key),
+			     g_strdup (value));
+
+	g_signal_emit_by_name (G_OBJECT (master), "options-changed", options);
+}
+
 static GHashTable *
 load_options (void)
 {
@@ -32,18 +62,21 @@ load_options (void)
         GConfClient *client = gconf_client_get_default ();
         GSList *entries, *e;
         GError *error = NULL;
-        
-        entries = gconf_client_all_entries (client, "/apps/geoclue/master", &error);
+
+        gconf_client_add_dir (client, GEOCLUE_GCONF_TOP,
+        		      GCONF_CLIENT_PRELOAD_RECURSIVE, NULL);
+
+        entries = gconf_client_all_entries (client, GEOCLUE_GCONF_TOP, &error);
         if (error != NULL) {
                 g_warning ("Error loading master options: %s", error->message);
                 g_error_free (error);
                 return NULL;
         }
 
-        /* Not an error, the directory is just empty */
-        if (entries == NULL) {
-                return NULL;
-        }
+        /* Setup keys monitoring */
+	gconf_client_notify_add (client, GEOCLUE_GCONF_TOP,
+				 (GConfClientNotifyFunc) gconf_key_changed,
+				 NULL, NULL, NULL);
 
         ht = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
         g_print ("Master options:\n");
@@ -54,8 +87,13 @@ load_options (void)
 
                 key = gconf_entry_get_key (entry);
                 v = gconf_entry_get_value (entry);
+                if (v->type != GCONF_VALUE_STRING)
+                	continue;
                 value = gconf_value_get_string (v);
 
+                if (value != NULL && value[0] == '\0')
+                	value = NULL;
+
                 g_print ("  %s = %s\n", key, value);
                 g_hash_table_insert (ht, g_path_get_basename (key), 
                                      g_strdup (value));
@@ -76,7 +114,6 @@ int
 main (int    argc,
       char **argv)
 {
-	GcMaster *master;
 	DBusGConnection *conn;
 	DBusGProxy *proxy;
 	GError *error = NULL;
diff --git a/src/master-provider.c b/src/master-provider.c
index b13e401..ffcc079 100644
--- a/src/master-provider.c
+++ b/src/master-provider.c
@@ -1151,6 +1151,22 @@ gc_master_provider_is_good (GcMasterProvider     *provider,
 	        ((priv->required_resources & (~allowed_resources)) == 0));
 }
 
+void
+gc_master_provider_update_options (GcMasterProvider *provider)
+{
+	GeoclueProvider *geoclue;
+	GError *error = NULL;
+	
+	geoclue = gc_master_provider_get_provider (provider);
+	
+	if (!geoclue_provider_set_options (geoclue,
+	                                   geoclue_get_main_options (),
+	                                   &error)) {
+		g_warning ("Error setting provider options: %s\n", error->message);
+		g_error_free (error);
+	}
+}
+
 GeoclueStatus 
 gc_master_provider_get_status (GcMasterProvider *provider)
 {
diff --git a/src/master-provider.h b/src/master-provider.h
index 8876210..6d35c08 100644
--- a/src/master-provider.h
+++ b/src/master-provider.h
@@ -81,6 +81,8 @@ gboolean gc_master_provider_is_good (GcMasterProvider     *provider,
 
 void gc_master_provider_network_status_changed (GcMasterProvider *provider,
                                                 GeoclueNetworkStatus status);
+void gc_master_provider_update_options (GcMasterProvider *provider);
+
 char* gc_master_provider_get_name (GcMasterProvider *provider);
 char* gc_master_provider_get_description (GcMasterProvider *provider);
 char* gc_master_provider_get_service (GcMasterProvider *provider);
diff --git a/src/master.c b/src/master.c
index 8b53eea..fa9037e 100644
--- a/src/master.c
+++ b/src/master.c
@@ -24,6 +24,13 @@
 #endif
 #endif
 
+enum {
+	OPTIONS_CHANGED,
+	LAST_SIGNAL
+};
+
+static guint32 signals[LAST_SIGNAL] = {0, };
+
 G_DEFINE_TYPE (GcMaster, gc_master, G_TYPE_OBJECT);
 
 static GList *providers = NULL;
@@ -60,6 +67,16 @@ gc_master_class_init (GcMasterClass *klass)
 {
 	dbus_g_object_type_install_info (gc_master_get_type (),
 					 &dbus_glib_gc_iface_master_object_info);
+
+	signals[OPTIONS_CHANGED] = g_signal_new ("options-changed",
+						  G_TYPE_FROM_CLASS (klass),
+						  G_SIGNAL_RUN_FIRST |
+						  G_SIGNAL_NO_RECURSE,
+						  G_STRUCT_OFFSET (GcMasterClass, options_changed), 
+						  NULL, NULL,
+						  g_cclosure_marshal_VOID__BOXED,
+						  G_TYPE_NONE, 1,
+						  G_TYPE_HASH_TABLE);
 }
 
 /* Load the provider details out of a keyfile */
diff --git a/src/master.h b/src/master.h
index f5ea2ee..0676be1 100644
--- a/src/master.h
+++ b/src/master.h
@@ -30,6 +30,8 @@ typedef struct {
 
 typedef struct {
 	GObjectClass parent_class;
+
+	void (*options_changed) (GcMaster *master, GHashTable *options);
 } GcMasterClass;
 
 GType gc_master_get_type (void);