1 files changed, 1 insertions, 0 deletions
diff --git a/apps/dh.c b/apps/dh.c
index cd01fed139..c4d891e125 100644
--- a/apps/dh.c
+++ b/apps/dh.c
@@ -57,6 +57,7 @@
  * [including the GNU Public Licence.]
  */
 
+#include <openssl/opensslconf.h>	/* for OPENSSL_NO_DH */
 #ifndef OPENSSL_NO_DH
 #include <stdio.h>
 #include <stdlib.h>