diff --git a/coreapi/help/doc/sphinx/conf.py.in b/coreapi/help/doc/sphinx/conf.py.in
index 89b2a4937..fcff75b1a 100644
--- a/coreapi/help/doc/sphinx/conf.py.in
+++ b/coreapi/help/doc/sphinx/conf.py.in
@@ -106,6 +106,11 @@ html_logo = 'logo.png'
 # Enable html5
 html_experimental_html5_writer = True
 
+# Side bar customization
+html_sidebars = {
+	'**': ['searchbox.html']
+}
+
 # -- Options for HTMLHelp output ------------------------------------------
 
 # Output file base name for HTML help builder.