diff --git a/lib/jsdoc/util/vm.js b/lib/jsdoc/util/vm.js
index 61279b14..eb7048b1 100644
--- a/lib/jsdoc/util/vm.js
+++ b/lib/jsdoc/util/vm.js
@@ -58,7 +58,7 @@ var vm = exports.vm = (function() {
  * @return {object} An object containing VM-specific functions for the requested module.
  */
 exports.getModule = function(modulePath) {
-    modulePath = [__dirname, vm, modulePath].join('/');
+    modulePath = [__dirname, vm, modulePath].join('/').replace(/ /g, '%20');
     if (os.platform() === 'win32') {
         modulePath = pathToUri(modulePath);
     }