diff --git a/src/wrapper/start.frag b/src/wrapper/start.frag
index e2032d6..30306e8 100644
--- a/src/wrapper/start.frag
+++ b/src/wrapper/start.frag
@@ -1,10 +1,12 @@
 (function(global, factory) {
 	"use strict";
 
-	if (typeof global.define === "function" && global.define.amd) {
+	if (typeof define === "function" && define.amd) {
 		define(["d3"], function(d3) {
 			factory(global, d3);
 		});
+	} else if (typeof require === "function") {
+		factory(global, require("d3"));
 	} else {
 		factory(global, global.d3);
 	}