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-rw-r--r--libs/libmdbx/src/src/osal.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/libs/libmdbx/src/src/osal.h b/libs/libmdbx/src/src/osal.h
index bd51f34a81..fca75568ae 100644
--- a/libs/libmdbx/src/src/osal.h
+++ b/libs/libmdbx/src/src/osal.h
@@ -753,7 +753,7 @@ typedef NTSTATUS(NTAPI *MDBX_NtFsControlFile)(
OUT OPTIONAL PVOID OutputBuffer, IN ULONG OutputBufferLength);
extern MDBX_NtFsControlFile mdbx_NtFsControlFile;
-#if _WIN32_WINNT < _WIN32_WINNT_WIN8
+#if !defined(_WIN32_WINNT_WIN8) || _WIN32_WINNT < _WIN32_WINNT_WIN8
typedef struct _WIN32_MEMORY_RANGE_ENTRY {
PVOID VirtualAddress;
SIZE_T NumberOfBytes;