diff --git a/plugins/tiddlywiki/jasmine/run-wiki-based-tests.js b/plugins/tiddlywiki/jasmine/run-wiki-based-tests.js
index a14707045..4654dddc9 100644
--- a/plugins/tiddlywiki/jasmine/run-wiki-based-tests.js
+++ b/plugins/tiddlywiki/jasmine/run-wiki-based-tests.js
@@ -49,7 +49,7 @@ describe("Wiki-based tests", function() {
 				]
 			});
 			// Install the plugin change event handler
-			$tw.utils.installPluginChangeHandler(wiki,doDebug);
+			$tw.utils.installPluginChangeHandler(wiki);
 			// Clear changes queue
 			wiki.clearTiddlerEventQueue();
 			// Complain if we don't have the ouput and expected results