diff --git a/crypto/opensslconf.h.in b/crypto/opensslconf.h.in
index 9082a16c46fc6ed1e42f8a3e77bdda7d50ba24ca..685e83b7a33ff912a508ceb5b2bc25b9a941be07 100644
--- a/crypto/opensslconf.h.in
+++ b/crypto/opensslconf.h.in
@@ -47,7 +47,7 @@
 #endif
 #endif
 
-#if (defined(HEADER_DES_H) || defined(HEADER_DES_OLD_H)) && !defined(DES_LONG)
+#if (defined(HEADER_NEW_DES_H) || defined(HEADER_DES_H)) && !defined(DES_LONG)
 /* If this is set to 'unsigned int' on a DEC Alpha, this gives about a
  * %20 speed up (longs are 8 bytes, int's are 4). */
 #ifndef DES_LONG