diff --git a/tensorflow/stream_executor/platform/dso_loader.h b/tensorflow/stream_executor/platform/dso_loader.h
index 1dd56684b19..dd752e962c8 100644
--- a/tensorflow/stream_executor/platform/dso_loader.h
+++ b/tensorflow/stream_executor/platform/dso_loader.h
@@ -22,7 +22,7 @@ limitations under the License.
 #if defined(PLATFORM_GOOGLE)
 #include "tensorflow/stream_executor/platform/google/dso_loader.h"
 #elif defined(PLATFORM_POSIX) || defined(PLATFORM_POSIX_ANDROID) || \
-    defined(PLATFORM_GOOGLE_ANDROID)
+    defined(PLATFORM_GOOGLE_ANDROID) || defined(PLATFORM_WINDOWS)
 #include "tensorflow/stream_executor/platform/default/dso_loader.h"
 #else
 #error Define the appropriate PLATFORM_<foo> macro for this platform
diff --git a/tensorflow/stream_executor/platform/platform.h b/tensorflow/stream_executor/platform/platform.h
index 5bf0e120d39..b7c615c72ad 100644
--- a/tensorflow/stream_executor/platform/platform.h
+++ b/tensorflow/stream_executor/platform/platform.h
@@ -16,8 +16,9 @@ limitations under the License.
 #ifndef TENSORFLOW_STREAM_EXECUTOR_PLATFORM_PLATFORM_H_
 #define TENSORFLOW_STREAM_EXECUTOR_PLATFORM_PLATFORM_H_
 
-#if !defined(PLATFORM_POSIX) && !defined(PLATFORM_GOOGLE) && \
-    !defined(PLATFORM_POSIX_ANDROID) && !defined(PLATFORM_GOOGLE_ANDROID)
+#if !defined(PLATFORM_POSIX) && !defined(PLATFORM_GOOGLE) &&                 \
+    !defined(PLATFORM_POSIX_ANDROID) && !defined(PLATFORM_GOOGLE_ANDROID) && \
+    !defined(PLATFORM_WINDOWS)
 
 // Choose which platform we are on.
 #if defined(ANDROID) || defined(__ANDROID__)
@@ -26,6 +27,9 @@ limitations under the License.
 #elif defined(__APPLE__)
 #define PLATFORM_POSIX
 
+#elif defined(_WIN32)
+#define PLATFORM_WINDOWS
+
 #else
 // If no platform specified, use:
 #define PLATFORM_POSIX