Check that module is an object instead of exports

1 files changed, 1 insertions, 1 deletions

diff --git a/src/shell.js b/src/shell.js
index 5c5beb87..ed80c09a 100644
--- a/src/shell.js
+++ b/src/shell.js
@@ -11,7 +11,7 @@ var ENVIRONMENT_IS_WEB = typeof window === 'object';
 var ENVIRONMENT_IS_WORKER = typeof importScripts === 'function';
 var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
 
-if (typeof exports === "object") {
+if (typeof module === "object") {
   module.exports = Module;
 }