diff --git a/src/core/ReactTextComponent.js b/src/core/ReactTextComponent.js
index 24c07bd704ebf..b087afaded798 100644
--- a/src/core/ReactTextComponent.js
+++ b/src/core/ReactTextComponent.js
@@ -58,7 +58,7 @@ mixInto(ReactTextComponent, {
   mountComponent: function(rootID) {
     ReactComponent.Mixin.mountComponent.call(this, rootID);
     return (
-      '<span ' + ReactMount.ATTR_NAME + '="' + rootID + '">' +
+      '<span ' + ReactMount.ATTR_NAME + '="' + escapeTextForBrowser(rootID) + '">' +
         escapeTextForBrowser(this.props.text) +
       '</span>'
     );