diff --git a/4chan_x.user.js b/4chan_x.user.js
index 8cf7c165d..33ad0a194 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -2478,7 +2478,9 @@
     init: function() {
       return g.callbacks.push(function(root) {
         var el, src, thumb;
-        thumb = $('img[md5]', root);
+        if (!(thumb = $('img[md5]', root))) {
+          return;
+        }
         src = thumb.parentNode.href;
         return el = $.el('img', {
           src: src
@@ -2490,7 +2492,9 @@
     init: function() {
       return g.callbacks.push(function(root) {
         var src, thumb;
-        thumb = $('img[md5]', root);
+        if (!(thumb = $('img[md5]', root))) {
+          return;
+        }
         src = thumb.parentNode.href;
         if (/gif$/.test(src)) {
           return thumb.src = src;
diff --git a/script.coffee b/script.coffee
index 29a08d550..15d603dfb 100644
--- a/script.coffee
+++ b/script.coffee
@@ -1874,14 +1874,14 @@ imageHover =
 imgPreloading =
   init: ->
     g.callbacks.push (root) ->
-      thumb = $ 'img[md5]', root
+      return unless thumb = $ 'img[md5]', root
       src = thumb.parentNode.href
       el = $.el 'img', { src }
 
 imgGif =
   init: ->
     g.callbacks.push (root) ->
-      thumb = $ 'img[md5]', root
+      return unless thumb = $ 'img[md5]', root
       src = thumb.parentNode.href
       if /gif$/.test src
         thumb.src = src