diff --git a/lib/ice-coder.js b/lib/ice-coder.js
index e3a851d..075fab3 100644
--- a/lib/ice-coder.js
+++ b/lib/ice-coder.js
@@ -41,6 +41,7 @@ var ICEcoder = {
 	tabFGnormalTab:		'#888',		// FG of normal tab
 	serverQueueItems:	[],		// Array of URLs to call in order
 	previewWindow:		false,		// Target variable for the preview window
+	previewWindowLoading:	false,		// Loading state of preview window
 	pluginIntervalRefs:	[],		// Array of plugin interval refs
 	overPopup:		false,		// Indicates if we're over a popup or not
 	cmdKey:			false,		// Tracking apple Command key up/down state