diff --git a/app/assets/javascripts/pretty-text/white-lister.js.es6 b/app/assets/javascripts/pretty-text/white-lister.js.es6
index 63bc3b742a8..1dc3885a6ae 100644
--- a/app/assets/javascripts/pretty-text/white-lister.js.es6
+++ b/app/assets/javascripts/pretty-text/white-lister.js.es6
@@ -107,6 +107,7 @@ whiteListFeature('default', [
   'div',
   'div.title',
   'div.quote-controls',
+  'div[align]',
   'i',
   'b',
   'ul',
diff --git a/test/javascripts/lib/sanitizer-test.js.es6 b/test/javascripts/lib/sanitizer-test.js.es6
index 6e83c4d3733..9e74166d58c 100644
--- a/test/javascripts/lib/sanitizer-test.js.es6
+++ b/test/javascripts/lib/sanitizer-test.js.es6
@@ -48,6 +48,8 @@ test("sanitize", function() {
 
   cooked("<kbd>Ctrl</kbd>+<kbd>C</kbd>", "<p><kbd>Ctrl</kbd>+<kbd>C</kbd></p>");
   cooked("it has been <strike>1 day</strike> 0 days since our last test failure", "<p>it has been <strike>1 day</strike> 0 days since our last test failure</p>");
+
+  cooked(`<div align="center">hello</div>`, `<div align="center">hello</div>`);
 });
 
 test("ids on headings", () => {