diff --git a/lib/x11/xcore.js b/lib/x11/xcore.js
index f0950ec..2f6c5a7 100644
--- a/lib/x11/xcore.js
+++ b/lib/x11/xcore.js
@@ -76,6 +76,12 @@ function XClient(stream)
 }
 util.inherits(XClient, EventEmitter);
 
+// TODO: close() = set 'closing' flag, watch it in replies and writeQueue, terminate if empty
+XClient.prototype.terminate = function()
+{
+    this.stream.end();
+}
+
 XClient.prototype.importRequestsFromTemplates = function(target, reqs)
 {
     var client = this;
diff --git a/test/listext.js b/test/listext.js
index da516cb..0ec2fe6 100644
--- a/test/listext.js
+++ b/test/listext.js
@@ -2,7 +2,9 @@ var x11 = require('../lib/x11');
 var X = x11.createClient();
 X.on('connect', function(display) {
     X.ListExtensions(function(list) {
-        console.log(list);
-        X.close();
+        list.forEach(function(ext) {
+            console.log(ext);
+        });
+        X.terminate();
     });
 });