--- a/include/ldap_pvt.h
+++ b/include/ldap_pvt.h
@@ -449,2 +449,2 @@ LDAP_BEGIN_DECL
-#include <openssl/crypto.h>
-#include <openssl/bn.h>
+#error #include <openssl/crypto.h>
+#error #include <openssl/bn.h>