diff --git a/static/js/ace2_inner.js b/static/js/ace2_inner.js
index 1575fc9a..9c647b6d 100644
--- a/static/js/ace2_inner.js
+++ b/static/js/ace2_inner.js
@@ -3097,7 +3097,11 @@ function OUTER(gscope)
         // Such a div is what IE 6 creates naturally when you make a blank line
         // in a document of divs.  However, when copy-and-pasted the div will
         // contain a space, so we note its emptiness with a property.
-        lineElem.innerHTML = "";
+        if(browser.version < 9) {
+          lineElem.innerHTML = "";
+        } else {
+          lineElem.innerHTML = "<hr style=\"border:none; color:#fff; height:1px; display:none\"/>";
+        }
         // a primitive-valued property survives copy-and-paste
         setAssoc(lineElem, "shouldBeEmpty", true);
         // an object property doesn't