From b3f35c579b37bbfd7e02671a7572e26289fe2f2c Mon Sep 17 00:00:00 2001
From: Marc Hannappel <hannappel@uni-wuppertal.de>
Date: Wed, 21 Dec 2016 10:56:11 +0100
Subject: [PATCH] Little update to the active tab using hash from URL, forgot
 to add a check if the hash is valid, fixed this now

---
 src/octoprint/static/js/app/main.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/octoprint/static/js/app/main.js b/src/octoprint/static/js/app/main.js
index d762f1e5..80b1701e 100644
--- a/src/octoprint/static/js/app/main.js
+++ b/src/octoprint/static/js/app/main.js
@@ -481,10 +481,12 @@ $(function() {
         var changeTab = function()
         {
             var hashtag = window.location.hash;
-
             var tab = $('#tabs a[href="' + hashtag + '"]');
-            tab.tab("show");
-            onTabChange(hashtag);
+            if (tab.length)
+            {
+                tab.tab("show");
+                onTabChange(hashtag);
+            }
         }
 
         //~~ view model binding