diff --git a/src/supplicant-manager/nm-supplicant-interface.c b/src/supplicant-manager/nm-supplicant-interface.c
index 0fac765fb5..36faab7034 100644
--- a/src/supplicant-manager/nm-supplicant-interface.c
+++ b/src/supplicant-manager/nm-supplicant-interface.c
@@ -950,23 +950,49 @@ scan_request_cb (DBusGProxy *proxy, DBusGProxyCall *call_id, gpointer user_data)
 	g_clear_error (&err);
 }
 
+static void
+destroy_gvalue (gpointer data)
+{
+	GValue *value = (GValue *) data;
+
+	g_value_unset (value);
+	g_slice_free (GValue, value);
+}
+
+static GValue *
+string_to_gvalue (const char *str)
+{
+	GValue *val = g_slice_new0 (GValue);
+
+	g_value_init (val, G_TYPE_STRING);
+	g_value_set_string (val, str);
+	return val;
+}
+
 gboolean
 nm_supplicant_interface_request_scan (NMSupplicantInterface * self)
 {
 	NMSupplicantInterfacePrivate *priv;
 	NMSupplicantInfo *info;
 	DBusGProxyCall *call;
+	GHashTable *hash;
 
 	g_return_val_if_fail (NM_IS_SUPPLICANT_INTERFACE (self), FALSE);
 
 	priv = NM_SUPPLICANT_INTERFACE_GET_PRIVATE (self);
 
+	/* Scan parameters */
+	hash = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, destroy_gvalue);
+	g_hash_table_insert (hash, "Type", string_to_gvalue ("active"));
+
 	info = nm_supplicant_info_new (self, priv->iface_proxy, priv->other_pcalls);
-	call = dbus_g_proxy_begin_call (priv->iface_proxy, "scan",
+	call = dbus_g_proxy_begin_call (priv->iface_proxy, "Scan",
 	                                scan_request_cb,
 	                                info,
 	                                nm_supplicant_info_destroy,
+	                                DBUS_TYPE_G_MAP_OF_VARIANT, hash,
 	                                G_TYPE_INVALID);
+	g_hash_table_destroy (hash);
 	nm_supplicant_info_set_call (info, call);
 
 	return call != NULL;