diff --git a/client/dcwebui.js b/client/dcwebui.js
index 2dab036..1e723c6 100644
--- a/client/dcwebui.js
+++ b/client/dcwebui.js
@@ -400,7 +400,7 @@ var submit = function() {
 
 var pagevis_currently_visible = true;
 
-var pagevis_setup(fnActive, fnInactive) {
+var pagevis_setup = function(fnActive, fnInactive) {
 	
 	var h, visibilityChange; 
 	if (typeof document.hidden !== "undefined") { // Opera 12.10 and Firefox 18 and later support 
@@ -965,7 +965,7 @@ window.onload = function() {
 	
 	tab_addHandlers();
 	
-	pagevis_currently_visible(
+	pagevis_setup(
 		function() {
 			// We've just become active
 			// If the foreground is a PM window with UNREAD, mark it as read