diff --git a/Gruntfile.js b/Gruntfile.js
index <HASH>..<HASH> 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -291,6 +291,7 @@ module.exports = function (grunt) {
                     'test/less/*.less',
                     // Don't test NPM import, obviously 
                     '!test/less/plugin-module.less',
+                    '!test/less/import-module.less',
                     '!test/less/javascript.less', 
                     '!test/less/urls.less', 
                     '!test/less/empty.less'
Exclude import-module from browsert test as node_modules will not be in browser