diff --git a/index.js b/index.js
index 31a20661b..d7309b5fe 100644
--- a/index.js
+++ b/index.js
@@ -7,6 +7,8 @@ var exports = module.exports = function (src) {
 exports.find = function (src) {
     var modules = { strings : [], expressions : [] };
     
+    if (src.indexOf('require(') == -1) return modules;
+    
     burrito(src, function (node) {
         var isRequire = node.name === 'call'
             && node.value[0][0] === 'name'