diff --git a/android/client/if-gatt.c b/android/client/if-gatt.c
index da2f299..250472a 100644
--- a/android/client/if-gatt.c
+++ b/android/client/if-gatt.c
@@ -1736,7 +1736,8 @@ static struct method server_methods[] = {
 			"<server_if> <service_handle> <included_handle>"),
 	GATTS_METHODCH(add_characteristic,
 		"<server_if> <service_handle> <uuid> <properites> <permissions>"),
-	GATTS_METHODCH(add_descriptor, "<server_if> <uuid> <permissions>"),
+	GATTS_METHODCH(add_descriptor,
+			"<server_if> <service_handle> <uuid> <permissions>"),
 	GATTS_METHODCH(start_service,
 				"<server_if> <service_handle> <transport>"),
 	GATTS_METHODCH(stop_service, "<server_if> <service_handle>"),