diff --git a/Gruntfile.js b/Gruntfile.js
index b6a2846646..bd67ce84d5 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -300,7 +300,7 @@ module.exports = function (grunt) {
   var testSubtasks = [];
   // Skip core tests if running a different subset of the test suite
   if (!process.env.TWBS_TEST || process.env.TWBS_TEST === 'core') {
-    testSubtasks = testSubtasks.concat(['dist-css', 'jshint', 'jscs', 'qunit']);
+    testSubtasks = testSubtasks.concat(['dist-css', 'csslint', 'jshint', 'jscs', 'qunit']);
   }
   // Skip HTML validation if running a different subset of the test suite
   if (!process.env.TWBS_TEST || process.env.TWBS_TEST === 'validate-html') {