diff --git a/3party/zlib/zconf.h b/3party/zlib/zconf.h
index b234387442..818ede1eb4 100644
--- a/3party/zlib/zconf.h
+++ b/3party/zlib/zconf.h
@@ -356,8 +356,8 @@ typedef uLong FAR uLongf;
    typedef Byte       *voidp;
 #endif
 
-#if 1    /* was set to #if 1 by ./configure */
-#  define Z_HAVE_UNISTD_H
+#ifndef _MSC_VER
+#define Z_HAVE_UNISTD_H
 #endif
 
 #ifdef STDC
diff --git a/coding/bzip2_compressor.cpp b/coding/bzip2_compressor.cpp
index 1720adc8e1..84916a39e0 100644
--- a/coding/bzip2_compressor.cpp
+++ b/coding/bzip2_compressor.cpp
@@ -1,8 +1,11 @@
 #include "bzip2_compressor.hpp"
 #include "coder_util.hpp"
+
 #include "../base/assert.hpp"
+
 #include "../std/vector.hpp"
-#include <bzlib.h>
+
+#include "../3party/bzip2/bzlib.h"
 
 size_t DecompressBZip2IntoFixedSize(char const * pSrc, size_t srcSize, char * pDst, size_t dstSize)
 {
diff --git a/coding/timsort/timsort.h b/coding/timsort/timsort.h
index 86a1e48c39..bd5c91b5c3 100644
--- a/coding/timsort/timsort.h
+++ b/coding/timsort/timsort.h
@@ -1,7 +1,14 @@
 #ifndef __TIM_SORT_H__
 #define __TIM_SORT_H__
 
-#include <stdint.h>
+#ifndef _MSC_VER
+  #include <stdint.h>
+#else
+  typedef unsigned char uint8_t;
+  typedef __int32 int32_t;
+  typedef unsigned __int32 uint32_t;
+#endif
+
 #include <stdlib.h>
 #include <string.h>
 #include <assert.h>