diff --git a/Release/src/http/client/http_client_winrt.cpp b/Release/src/http/client/http_client_winrt.cpp
index 697f48a..4ada65a 100644
--- a/Release/src/http/client/http_client_winrt.cpp
+++ b/Release/src/http/client/http_client_winrt.cpp
@@ -28,6 +28,9 @@ using namespace std;
 using namespace Platform;
 using namespace Microsoft::WRL;
 
+#undef min
+#undef max
+
 namespace web
 {
 namespace http