diff --git a/packages/readabilityjs/Readability.js b/packages/readabilityjs/Readability.js
index 4f2c7f34e..1c653ef36 100644
--- a/packages/readabilityjs/Readability.js
+++ b/packages/readabilityjs/Readability.js
@@ -226,7 +226,7 @@ Readability.prototype = {
 
   // These are the classes that readability sets itself.
   CLASSES_TO_PRESERVE: [
-    "page", "twitter-tweet", "tweet-placeholder", "instagram-placeholder",
+    "page", "twitter-tweet", "tweet-placeholder", "instagram-placeholder", "morning-brew-markets"
   ],
 
   // Classes of placeholder elements that can be empty but shouldn't be removed
@@ -831,9 +831,10 @@ Readability.prototype = {
    * @return void
    **/
   _prepArticle: async function (articleContent) {
-    // replace tables whose role is not presentation with divs for newsletters
-    this._keepTables && this._replaceNodeTags(this._getAllNodesWithTag(articleContent, ["table"]).filter(t => t.getAttribute("role") !== "presentation"), "div");
-
+    if (this._keepTables) {
+      // replace tables which is not a preserve class with divs for newsletters
+      this._replaceNodeTags(this._getAllNodesWithTag(articleContent, ["table"]).filter(t => !this._classesToPreserve.includes(t.className)), "div");
+    }
     await this._createPlaceholders(articleContent);
     this._cleanStyles(articleContent);
     // Check for data tables before we continue, to avoid removing items in
@@ -877,7 +878,7 @@ Readability.prototype = {
 
     // Do these last as the previous stuff may have removed junk
     // that will affect these
-    !this._keepTables && this._cleanConditionally(articleContent, "table");
+    this._cleanConditionally(articleContent, "table");
     this._cleanConditionally(articleContent, "ul");
     this._cleanConditionally(articleContent, "div");