diff --git a/src/clients/lib/xmmsclient/xmmsclient.c b/src/clients/lib/xmmsclient/xmmsclient.c
index d762033bf..3db65c562 100644
--- a/src/clients/lib/xmmsclient/xmmsclient.c
+++ b/src/clients/lib/xmmsclient/xmmsclient.c
@@ -222,7 +222,7 @@ xmmsc_disconnect_callback_set_full (xmmsc_connection_t *c,
 char *
 xmmsc_get_last_error (xmmsc_connection_t *c)
 {
-	x_api_error_if (!c, "with a NULL connection", false);
+	x_api_error_if (!c, "with a NULL connection", NULL);
 	return c->error;
 }