1 files changed, 1 insertions, 1 deletions
diff --git a/lzfP.h b/lzfP.h
index 7b7feda..cf4af7f 100644
--- a/lzfP.h
+++ b/lzfP.h
@@ -141,7 +141,7 @@ using namespace std;
 #endif
 
 #ifndef LZF_USE_OFFSETS
-# if defined (WIN32)
+# if defined (WIN32) || defined (_WIN32)
 #  define LZF_USE_OFFSETS defined(_M_X64)
 # else
 #  if __cplusplus > 199711L