diff --git a/Readability.js b/Readability.js
index 5cff4540..b6de5ca0 100644
--- a/Readability.js
+++ b/Readability.js
@@ -223,6 +223,7 @@ Readability.prototype = {
     "ABBR",
     "AUDIO",
     "B",
+    "BDI",
     "BDO",
     "BR",
     "BUTTON",
@@ -247,6 +248,7 @@ Readability.prototype = {
     "PROGRESS",
     "Q",
     "RUBY",
+    "S",
     "SAMP",
     "SCRIPT",
     "SELECT",
diff --git a/test/test-readability.js b/test/test-readability.js
index ebd4e618..10fc0eda 100644
--- a/test/test-readability.js
+++ b/test/test-readability.js
@@ -340,6 +340,19 @@ describe("Readability API", function () {
       expect(content).eql(expected_xhtml);
     });
 
+    it("should keep S and BDI inline within paragraphs", function () {
+      var dom = new JSDOM(
+        "<div>Lorem ipsum dolor sit amet, consectetur adipiscing elit. " +
+          "Nunc mollis leo lacus, <s>vitae</s> semper <bdi>nisl</bdi> " +
+          "ullamcorper ut praesent in lectus eu nibh dapibus tincidunt.</div>"
+      );
+      var content = new Readability(dom.window.document, {
+        charThreshold: 20,
+      }).parse().content;
+      expect(content).not.to.contain("</p><s>");
+      expect(content).not.to.contain("</p><bdi>");
+    });
+
     it("should use custom video regex sent as option", function () {
       var dom = new JSDOM(
         "<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nunc mollis leo lacus, vitae semper nisl ullamcorper ut.</p>" +