diff --git a/doc/header.html b/doc/header.html
index 55f2ea171c..bbaf1d53b4 100644
--- a/doc/header.html
+++ b/doc/header.html
@@ -22,6 +22,7 @@ $extrastylesheet
 
 <!--BEGIN TITLEAREA-->
 <div id="titlearea">
+<!--#include virtual="/google-search.html"-->
 <table cellspacing="0" cellpadding="0">
  <tbody>
  <tr style="height: 56px;">