diff --git a/configure.in b/configure.in
index 679dc42e..ad44020f 100644
--- a/configure.in
+++ b/configure.in
@@ -901,6 +901,7 @@ fi
 
 AC_MSG_RESULT($cf_result)
 
+CONFIG_GNUTLS_OPENSSL_COMPAT=no
 dnl ---- GNU TLS
 dnl We can't have AC_MSG_CHECKING here, because AC_PATH_PROG prints its own and
 dnl it looks ugly then.