--- a/m4/mydns.m4	2019-10-09 05:07:16.961487000 -0700
+++ b/m4/mydns.m4	2019-10-09 05:07:38.151496227 -0700
@@ -37,7 +37,7 @@
 ##
 AC_DEFUN([AC_WITH_OPENSSL_LIB],
 	[
-		ac_ssl_lib_dirs="/lib /usr/lib /usr/local/lib /usr/ssl/lib /usr/local/ssl/lib"
+		ac_ssl_lib_dirs="/lib /usr/lib /usr/lib64 /usr/local/lib /usr/ssl/lib /usr/local/ssl/lib"
 		AC_ARG_WITH(openssl-lib,
 			AC_HELP_STRING([--with-openssl-lib=DIR], [look for the OpenSSL libraries in DIR]),
 			ac_ssl_lib_dirs="$withval $ac_ssl_lib_dirs")