diff --git a/Glob.cxx b/Glob.cxx
index 0351e0568fe7e3d17631ded935e292995437057f..9012d184051927179c67bc92b462a58a5dae2d69 100644
--- a/Glob.cxx
+++ b/Glob.cxx
@@ -26,6 +26,7 @@
 // duplicate the above list of headers.
 #if 0
 # include "Glob.hxx.in"
+# include "Directory.hxx.in"
 # include "Configure.hxx.in"
 # include "RegularExpression.hxx.in"
 # include "SystemTools.hxx.in"