diff --git a/kerberos5/include/config.h b/kerberos5/include/config.h
index f4b6d1e580c9..6c72f7a62db2 100644
--- a/kerberos5/include/config.h
+++ b/kerberos5/include/config.h
@@ -139,7 +139,7 @@ static /**/const char *const rcsid[] = { (const char *)rcsid, "@(#)" msg }
 #define HAVE_CHOWN 1
 
 /* Define if you have the function `closefrom'. */
-/* #undef HAVE_CLOSEFROM */
+#define HAVE_CLOSEFROM
 
 /* Define to 1 if you have the <config.h> header file. */
 /* #undef HAVE_CONFIG_H */