diff --git a/DesktopEditor/common/Directory.cpp b/DesktopEditor/common/Directory.cpp
index 244d21d0f6..ba27a8606c 100644
--- a/DesktopEditor/common/Directory.cpp
+++ b/DesktopEditor/common/Directory.cpp
@@ -53,6 +53,7 @@
 #endif
 
 #include "Directory.h"
+#include <string.h>
 
 namespace NSDirectory
 {
diff --git a/OfficeUtils/src/ZipUtilsCP.cpp b/OfficeUtils/src/ZipUtilsCP.cpp
index bc846549ac..bbdd07f1f8 100644
--- a/OfficeUtils/src/ZipUtilsCP.cpp
+++ b/OfficeUtils/src/ZipUtilsCP.cpp
@@ -39,6 +39,10 @@
     #import <Foundation/Foundation.h>
 #endif
 
+#if !defined(_WIN32) && !defined (_WIN64)
+#include <unistd.h>
+#endif
+
 #define WRITEBUFFERSIZE 8192
 #define READBUFFERSIZE 8192