diff --git a/src/term.js b/src/term.js
index 68bc073..056183f 100644
--- a/src/term.js
+++ b/src/term.js
@@ -5966,7 +5966,9 @@ Terminal.on = on;
 Terminal.off = off;
 Terminal.cancel = cancel;
 
-if (typeof module !== 'undefined') {
+if (typeof define === 'function' && define.amd) {
+  define([], function() { return Terminal; });
+} else if (typeof module !== 'undefined') {
   module.exports = Terminal;
 } else {
   this.Terminal = Terminal;