diff --git a/IPython/html/tests/util.js b/IPython/html/tests/util.js
index 214c8e5..f7064fe 100644
--- a/IPython/html/tests/util.js
+++ b/IPython/html/tests/util.js
@@ -58,7 +58,7 @@ casper.page_loaded = function() {
 casper.kernel_running = function() {
     // Return whether or not the kernel is running.
     return this.evaluate(function() {
-        return IPython.notebook.kernel.running;
+        return IPython.notebook.kernel.is_connected();
     });
 };