diff --git a/base_from_member.html b/base_from_member.html
index d5cba0b..4dd70f4 100644
--- a/base_from_member.html
+++ b/base_from_member.html
@@ -351,7 +351,7 @@ with the exact pointer type used in <code>switcher</code>'s constructor.</p>
 	<dt>Jonathan Turkanis
 	<dd>Supplied an implementation of generating the constructor templates that
 		can be controlled and automated with macros.  The implementation uses
-		the <a href="../preprocessor/">Preprocessor library</a>.
+		the <a href="../preprocessor/index.html">Preprocessor library</a>.
 
 	<dt><a href="../../people/daryle_walker.html">Daryle Walker</a>
 	<dd>Started the library.  Contributed the test file <cite><a