diff --git a/aws-cpp-sdk-core/include/aws/core/utils/Array.h b/aws-cpp-sdk-core/include/aws/core/utils/Array.h
index 1dbb902..1375884 100644
--- a/aws-cpp-sdk-core/include/aws/core/utils/Array.h
+++ b/aws-cpp-sdk-core/include/aws/core/utils/Array.h
@@ -24,11 +24,11 @@
 #include <cstring>
 #include <algorithm>
 
-#ifdef _WIN32
+#ifdef _MSC_VER
 
 #include <iterator>
 
-#endif // _WIN32
+#endif // _MSC_VER
 
 namespace Aws
 {
@@ -64,7 +64,7 @@ namespace Aws
                 {
                     m_data.reset(Aws::NewArray<T>(m_size, ARRAY_ALLOCATION_TAG));
 
-#ifdef _WIN32
+#ifdef _MSC_VER
                     std::copy(arrayToCopy, arrayToCopy + arraySize, stdext::checked_array_iterator< T * >(m_data.get(), m_size));
 #else
                     std::copy(arrayToCopy, arrayToCopy + arraySize, m_data.get());
@@ -92,7 +92,7 @@ namespace Aws
                     if(arr->m_size > 0 && arr->m_data)
                     {
                         size_t arraySize = arr->m_size;
-#ifdef _WIN32
+#ifdef _MSC_VER
                         std::copy(arr->m_data.get(), arr->m_data.get() + arraySize, stdext::checked_array_iterator< T * >(m_data.get() + location, m_size));
 #else
                         std::copy(arr->m_data.get(), arr->m_data.get() + arraySize, m_data.get() + location);
@@ -111,7 +111,7 @@ namespace Aws
                 {
                     m_data.reset(Aws::NewArray<T>(m_size, ARRAY_ALLOCATION_TAG));
 
-#ifdef _WIN32
+#ifdef _MSC_VER
                     std::copy(other.m_data.get(), other.m_data.get() + other.m_size, stdext::checked_array_iterator< T * >(m_data.get(), m_size));
 #else
                     std::copy(other.m_data.get(), other.m_data.get() + other.m_size, m_data.get());
@@ -144,7 +144,7 @@ namespace Aws
                 {
                     m_data.reset(Aws::NewArray<T>(m_size, ARRAY_ALLOCATION_TAG));
 
-#ifdef _WIN32
+#ifdef _MSC_VER
                     std::copy(other.m_data.get(), other.m_data.get() + other.m_size, stdext::checked_array_iterator< T * >(m_data.get(), m_size));
 #else
                     std::copy(other.m_data.get(), other.m_data.get() + other.m_size, m_data.get());