diff --git a/app/assets/javascripts/discourse/dialects/bold_italics_dialect.js b/app/assets/javascripts/discourse/dialects/bold_italics_dialect.js
index c23d277c2d..c77e3fde3b 100644
--- a/app/assets/javascripts/discourse/dialects/bold_italics_dialect.js
+++ b/app/assets/javascripts/discourse/dialects/bold_italics_dialect.js
@@ -23,7 +23,7 @@ var replaceMarkdown = function(match, tag) {
     }
 
     var endText = new RegExp("[^\\s|" + match[0] + "]" + match.replace(/\*/g,"\\*") + "([^" + match[0] + "]|$)");
-    var finish = text.split("\n")[0].search(endText);
+    var finish = text.search(endText);
     if(finish && finish >= 0) {
       var newText = text.substring(match.length,finish+1);
       newText = this.processInline(newText);
diff --git a/test/javascripts/lib/markdown_test.js b/test/javascripts/lib/markdown_test.js
index 2182dfe56e..ce088ebd42 100644
--- a/test/javascripts/lib/markdown_test.js
+++ b/test/javascripts/lib/markdown_test.js
@@ -276,6 +276,10 @@ test("bold and italics", function() {
   cooked("**你hello**", "<p><strong>你hello</strong></p>", "allows bolded chinese");
 });
 
+test("New Lines", function() {
+  cooked("_abc\ndef_", "<p><em>abc<br>def</em></p>", "it allows markup to span new lines");
+});
+
 test("Oneboxing", function() {
 
   var matches = function(input, regexp) {