diff --git a/lib/ace/mode/folding/lua.js b/lib/ace/mode/folding/lua.js
index a7d3205c..42a3072e 100644
--- a/lib/ace/mode/folding/lua.js
+++ b/lib/ace/mode/folding/lua.js
@@ -60,7 +60,7 @@ oop.inherits(FoldMode, BaseFoldMode);
                     return "start";
             } else if (match[2]) {
                 var type = session.bgTokenizer.getState(row) || "";
-                if (type.indexOf("comment") != -1 || type.indexOf("string") != -1)
+                if (type[0] == "bracketedComment" || type[0] == "bracketedString")
                     return "start";
             } else {
                 return "start";
@@ -75,7 +75,7 @@ oop.inherits(FoldMode, BaseFoldMode);
                 return "end";
         } else if (match[0][0] === "]") {
             var type = session.bgTokenizer.getState(row - 1) || "";
-            if (type.indexOf("comment") != -1 || type.indexOf("string") != -1)
+            if (type[0] == "bracketedComment" || type[0] == "bracketedString")
                 return "end";
         } else
             return "end";