diff --git a/orm_lib/inc/drogon/orm/SqlBinder.h b/orm_lib/inc/drogon/orm/SqlBinder.h
index 68624926..812339b0 100644
--- a/orm_lib/inc/drogon/orm/SqlBinder.h
+++ b/orm_lib/inc/drogon/orm/SqlBinder.h
@@ -71,6 +71,7 @@ constexpr T htonT(T value) noexcept
 #endif
 }
 
+#ifndef _WIN32
 inline uint64_t htonll(uint64_t value)
 {
     return htonT<uint64_t>(value);
@@ -81,6 +82,7 @@ inline uint64_t ntohll(uint64_t value)
     return htonll(value);
 }
 #endif
+#endif
 
 namespace drogon
 {