diff --git a/src/server.c b/src/server.c
index 8d262c08..5daabea2 100644
--- a/src/server.c
+++ b/src/server.c
@@ -90,7 +90,7 @@ server_init(struct server *server)
 	 * backend based on the current environment, such as opening an x11
 	 * window if an x11 server is running.
 	 */
-	server->backend = wlr_backend_autocreate(server->wl_display, NULL);
+	server->backend = wlr_backend_autocreate(server->wl_display);
 	if (!server->backend) {
 		wlr_log(WLR_ERROR, "unable to create backend");
 		exit(EXIT_FAILURE);