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-rw-r--r--include/ruby/win32.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/ruby/win32.h b/include/ruby/win32.h
index 9daea06323..7bf389d8e1 100644
--- a/include/ruby/win32.h
+++ b/include/ruby/win32.h
@@ -35,6 +35,9 @@ extern "C++" { /* template without extern "C++" */
#if !defined(_WIN64) && !defined(WIN32)
#define WIN32
#endif
+#if defined(_MSC_VER) && _MSC_VER <= 1200
+#include <windows.h>
+#endif
#include <winsock2.h>
#include <ws2tcpip.h>
#if !defined(_MSC_VER) || _MSC_VER >= 1400