diff --git a/src/aws-cpp-sdk-core/include/aws/core/http/Version.h b/src/aws-cpp-sdk-core/include/aws/core/http/Version.h
index 921e0676008..538334897a7 100644
--- a/src/aws-cpp-sdk-core/include/aws/core/http/Version.h
+++ b/src/aws-cpp-sdk-core/include/aws/core/http/Version.h
@@ -10,6 +10,15 @@ namespace Aws {
         /**
          * Enum to represent version of the http protocol to use
          */
+
+#ifdef _WIN32
+        #pragma push_macro("HTTP_VERSION")
+#undef HTTP_VERSION_1_0
+#undef HTTP_VERSION_1_1
+#undef HTTP_VERSION_2_0
+
+#pragma pop_macro("HTTP_VERSION")
+#endif //#ifdef _WIN32
         enum class Version {
             HTTP_VERSION_NONE,
             HTTP_VERSION_1_0,