diff --git a/Gruntfile.js b/Gruntfile.js
index 93831b3351..9a2a5754e4 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -189,7 +189,7 @@ module.exports = function (grunt) {
         },
         files: {
           'dist/css/<%= pkg.name %>.css': ['dist/css/<%= pkg.name %>.css'],
-          'dist/css/<%= pkg.name %>-theme.css': ['dist/css/<%= pkg.name %>-theme.css'],
+          'dist/css/<%= pkg.name %>-theme.css': ['dist/css/<%= pkg.name %>-theme.css']
         }
       }
     },