diff --git a/extra/yassl/taocrypt/include/runtime.hpp b/extra/yassl/taocrypt/include/runtime.hpp
index 3a5cf62865a..88559cb0ca0 100644
--- a/extra/yassl/taocrypt/include/runtime.hpp
+++ b/extra/yassl/taocrypt/include/runtime.hpp
@@ -28,6 +28,9 @@
 #ifndef yaSSL_NEW_HPP
 #define yaSSL_NEW_HPP
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #ifdef __sun