diff --git a/lib/godoc/package.html b/lib/godoc/package.html
index 2722ff0e9ac..f0604e2f488 100644
--- a/lib/godoc/package.html
+++ b/lib/godoc/package.html
@@ -13,7 +13,7 @@
 			<dd><a href="#overview">Overview</a></dd>
 			<dd><a href="#index">Index</a></dd>
 			{{if $.Dirs}}
-				<dd><a href="#Subdirectories">Subdirectories</a></dd>
+				<dd><a href="#subdirectories">Subdirectories</a></dd>
 			{{end}}
 			</dl>
 		</div>