diff --git a/src/core/CSSLint.js b/src/core/CSSLint.js
index 6fd28279..e34aad28 100644
--- a/src/core/CSSLint.js
+++ b/src/core/CSSLint.js
@@ -182,7 +182,7 @@ var CSSLint = (function(){
         lines = text.replace(/\n\r?/g, "$split$").split('$split$');
 
         if (!ruleset){
-            ruleset = this.getRuleset();
+            ruleset = api.getRuleset();
         }
 
         if (embeddedRuleset.test(text)){