From 625dcc8cd31c9249ed786ff8e75597af4b24a1b1 Mon Sep 17 00:00:00 2001
From: GrosPoulet <grosnaingrincheux@gmail.com>
Date: Sun, 20 Feb 2022 12:20:56 +0100
Subject: [PATCH] Improvement to #881

---
 js/hoverzoom.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/js/hoverzoom.js b/js/hoverzoom.js
index e6e5b0747..9e5424a69 100644
--- a/js/hoverzoom.js
+++ b/js/hoverzoom.js
@@ -1348,7 +1348,7 @@ var hoverZoom = {
                 chrome.runtime.sendMessage({action:'addUrlToHistory', url:imgDetails.url});
                 // #881: add link url to history if available, this is needed to turn hovered links purple
                 let linkUrl = hz.currentLink.prop('href');
-                if (linkUrl != imgDetails.url) chrome.runtime.sendMessage({action:'addUrlToHistory', url:linkUrl});
+                if (linkUrl && linkUrl != imgDetails.url) chrome.runtime.sendMessage({action:'addUrlToHistory', url:linkUrl});
             }
         }