diff --git a/assets/checksums.txt b/assets/checksums.txt
index 6caef1aeb..9c6d3544e 100644
--- a/assets/checksums.txt
+++ b/assets/checksums.txt
@@ -5,7 +5,7 @@
 146704ad1c0393e342afdb416762c183 assets/ublock/badware.txt
 5baa90e2da7cd6a73edff2010557ee57 assets/ublock/redirect.txt
 f9bb491dbba453752199e8378ee152bb assets/ublock/experimental.txt
-f215de20c0944dcb286757966a233f42 assets/ublock/resources.txt
+99b9e4aae529e76b402d7d2996b9e28a assets/ublock/resources.txt
 fe4e995a7a828da38fcb0188c3996dbc assets/ublock/filter-lists.json
 50573388b525ede1a920cd4b4ee7fbf0 assets/thirdparties/easylist-downloads.adblockplus.org/easyprivacy.txt
 61cc16cf02e034370f0f47bc17c46551 assets/thirdparties/easylist-downloads.adblockplus.org/easylist.txt
diff --git a/assets/ublock/resources.txt b/assets/ublock/resources.txt
index 3041b2c05..001be3756 100644
--- a/assets/ublock/resources.txt
+++ b/assets/ublock/resources.txt
@@ -203,11 +203,12 @@ google-analytics.com/analytics.js application/javascript
         if ( len === 0 ) {
             return;
         }
+        var f = arguments[len-1];
+        if ( typeof f !== 'object' || f === null || typeof f.hitCallback !== 'function' ) {
+            return;
+        }
         try {
-            var f = arguments[len-1];
-            if ( typeof f === 'object' && f !== null && typeof f.hitCallback === 'function' ) {
-                f.hitCallback();
-            }
+            f.hitCallback();
         } catch (ex) {
         }
     };
@@ -361,8 +362,8 @@ i.ligatus.com/*/angular-tag.js application/javascript
 
 
 # Yavli ads. These are blocked using an inline script tag filter, but this
-# works only on Firefox. So we side-load the following script using whatever
-# script is normally blocked on the site.
+# works only on Firefox. So we side-load the following script for sites
+# suffering Yavli's click-bait ads.
 yavli-defuser.js application/javascript
 (function() {
     var descriptor = {
@@ -431,6 +432,7 @@ forbes-defuser.js application/javascript
     });
 })();
 
+
 # https://forums.lanik.us/viewtopic.php?f=62&t=25212
 impspcabe-defuser.js application/javascript
 (function(){