diff --git a/Readability.js b/Readability.js
index 5cff4540..1718e886 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",
@@ -257,6 +259,7 @@ Readability.prototype = {
     "SUP",
     "TEXTAREA",
     "TIME",
+    "U",
     "VAR",
     "WBR",
   ],
diff --git a/test/test-pages/phrasing-elements-s-bdi-u/expected-metadata.json b/test/test-pages/phrasing-elements-s-bdi-u/expected-metadata.json
new file mode 100644
index 00000000..745c548a
--- /dev/null
+++ b/test/test-pages/phrasing-elements-s-bdi-u/expected-metadata.json
@@ -0,0 +1,9 @@
+{
+  "title": "Phrasing elements test",
+  "byline": null,
+  "dir": null,
+  "excerpt": "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nunc mollis leo lacus,\n            vitae semper nisl ullamcorper ut praesent in lectus eu\n            nibh dapibus tincidunt. Vestibulum ante ipsum primis in faucibus orci luctus et\n            ultrices posuere cubilia curae, donec pharetra libero nec massa ultricies, id\n            fermentum arcu tincidunt. Curabitur sed dui vitae quam viverra sodales.",
+  "siteName": null,
+  "publishedTime": null,
+  "readerable": false
+}
diff --git a/test/test-pages/phrasing-elements-s-bdi-u/expected.html b/test/test-pages/phrasing-elements-s-bdi-u/expected.html
new file mode 100644
index 00000000..362e478c
--- /dev/null
+++ b/test/test-pages/phrasing-elements-s-bdi-u/expected.html
@@ -0,0 +1,6 @@
+<div id="readability-page-1" class="page">
+    <div>
+        <p> Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nunc mollis leo lacus, <s>vitae</s> semper <bdi>nisl</bdi> ullamcorper <u>ut</u> praesent in lectus eu nibh dapibus tincidunt. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia curae, donec pharetra libero nec massa ultricies, id fermentum arcu tincidunt. Curabitur sed dui vitae quam viverra sodales. </p>
+        <p> Duis sagittis ipsum. Praesent mauris. Fusce nec tellus sed augue semper porta. Mauris massa. Vestibulum lacinia arcu eget nulla. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. </p>
+    </div>
+</div>
\ No newline at end of file
diff --git a/test/test-pages/phrasing-elements-s-bdi-u/source.html b/test/test-pages/phrasing-elements-s-bdi-u/source.html
new file mode 100644
index 00000000..c8ac21fa
--- /dev/null
+++ b/test/test-pages/phrasing-elements-s-bdi-u/source.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <title>Phrasing elements test</title>
+    </head>
+    <body>
+        <div>
+            Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nunc mollis leo lacus,
+            <s>vitae</s> semper <bdi>nisl</bdi> ullamcorper <u>ut</u> praesent in lectus eu
+            nibh dapibus tincidunt. Vestibulum ante ipsum primis in faucibus orci luctus et
+            ultrices posuere cubilia curae, donec pharetra libero nec massa ultricies, id
+            fermentum arcu tincidunt. Curabitur sed dui vitae quam viverra sodales.
+            <div>
+                Duis sagittis ipsum. Praesent mauris. Fusce nec tellus sed augue semper porta.
+                Mauris massa. Vestibulum lacinia arcu eget nulla. Class aptent taciti sociosqu
+                ad litora torquent per conubia nostra, per inceptos himenaeos.
+            </div>
+        </div>
+    </body>
+</html>
