diff --git a/Objective-J/CommonJS/bin/cplutil b/Objective-J/CommonJS/bin/cplutil
index 000e7d1be..22826b724 100755
--- a/Objective-J/CommonJS/bin/cplutil
+++ b/Objective-J/CommonJS/bin/cplutil
@@ -3,7 +3,7 @@
 var FILE = require("file");
 var SYSTEM = require("system");
 var OS = require("os");
-var OBJJ = require("objective-j");
+var CFPropertyList = require("objective-j").CFPropertyList;
 
 var parser = new (require("args").Parser)();
 
@@ -13,8 +13,8 @@ parser.help("Cappuccino plist converter.");
 parser.option("-c", "--convert", "format")
     .help("rewrite property list files in format")
     .choices({
-        "280north1" : OBJJ.kCFPropertyList280NorthFormat_v1_0,
-        "xml1": OBJJ.kCFPropertyListXMLFormat_v1_0
+        "280north1" : CFPropertyList.Format280North_v1_0,
+        "xml1": CFPropertyList.FormatXML_v1_0
     });
 
 parser.option("-l", "--lint", "lint")
@@ -50,15 +50,13 @@ exports.main = function(args)
     if (typeof options.format !== "undefined" || options.lint)
     {
         ok = true;
-        options.args.forEach(function(filePath) {
-            var data = new OBJJ.objj_data();
-            data.string = FILE.read(filePath, { charset:"UTF-8" });
+        options.args.forEach(function(filePath)
+        {
+            var plistObject = CFPropertyList.propertyListFromString(FILE.read(filePath, { charset:"UTF-8" }));
 
-            var plistObject = OBJJ.CPPropertyListCreateFromData(data);
             if (!plistObject)
             {
-                // FIXME: more useful error messages
-                SYSTEM.stderr.print(filePath + ": parse error");
+                SYSTEM.stderr.print("Could not recognize format of plist at " + filePath);
                 ok = false;
                 return;
             }
@@ -70,13 +68,13 @@ exports.main = function(args)
             }
             else
             {
-                data = OBJJ.CPPropertyListCreateData(plistObject, options.format);
+                var encodedString = CFPropertyList.stringFromPropertyList(plistObject);
 
                 // outextension?
                 if (options.outPath === "-")
-                    SYSTEM.stdout.write(data.string);
+                    SYSTEM.stdout.write(encodedString);
                 else
-                    FILE.write(options.outPath || filePath, data.string, { charset:"UTF-8" });
+                    FILE.write(options.outPath || filePath, encodedString, { charset:"UTF-8" });
             }
         });
     }