diff --git a/modules/window.js b/modules/window.js
index 8b565014..73b21b5a 100644
--- a/modules/window.js
+++ b/modules/window.js
@@ -1475,10 +1475,10 @@ TreeStyleTabWindow.prototype = inherit(TreeStyleTabBase, {
 			aTabBrowser.treeStyleTab.nextOpenedTabToBeParent = false;
 		}
 		else {
-		if (where.indexOf('tab') === 0)
-			this.readyToOpenNewTabGroupNow(aTabBrowser);
-		else
-			this.readyToOpenOrphanTabNow(aTabBrowser);
+			if (where.indexOf('tab') === 0)
+				this.readyToOpenNewTabGroupNow(aTabBrowser);
+			else
+				this.readyToOpenOrphanTabNow(aTabBrowser);
 		}
 
 		return aEvent;