diff --git a/static/js/Editor.js b/static/js/Editor.js
index 5bcb4d7..0f41619 100644
--- a/static/js/Editor.js
+++ b/static/js/Editor.js
@@ -135,9 +135,15 @@ Editor.prototype.init_document = function () {
 
 // third and final stage of construction, invoked by init_document(). do not call directly
 Editor.prototype.finish_init = function () {
-  if ( !this.initial_text )
+  if ( !this.initial_text ) {
     this.initial_text = "<h3>";
 
+    // WebKit hack: add a zero-width space to make the horizontal line under title show up in the
+    // correct position, even before there is a title
+    if ( WEBKIT )
+      this.initial_text += "&#8203;";
+  }
+
   this.insert_html( this.initial_text );
 
   // since the browser may subtly tweak the html when it's inserted, save off the browser's version