diff --git a/godoc/static/static.go b/godoc/static/static.go
index 2d5fbe40..a024ca09 100644
--- a/godoc/static/static.go
+++ b/godoc/static/static.go
@@ -878,7 +878,7 @@ function updateVersionTags() {
 function addPermalinks() {
   function addPermalink(source, parent) {
     var id = source.attr("id");
-    if (id.indexOf("tmp_") === 0) {
+    if (id == "" || id.indexOf("tmp_") === 0) {
       // Auto-generated permalink.
       return;
     }
@@ -886,7 +886,7 @@ function addPermalinks() {
       // Already attached.
       return;
     }
-    parent.append(" ").append($("&nbsp;<a class='permalink'>&#xb6;</a>").attr("href", "#" + id));
+    parent.append(" ").append($("<a class='permalink'>&#xb6;</a>").attr("href", "#" + id));
   }
 
   $("#page .container").find("h2[id], h3[id]").each(function() {