diff --git a/src/tools.cpp b/src/tools.cpp
index a5c8c160..1459eb60 100644
--- a/src/tools.cpp
+++ b/src/tools.cpp
@@ -30,7 +30,6 @@
 #include <stdexcept>
 #include <vector>
 #include <memory>
-#include <unistd.h>
 #include <algorithm>
 #include <regex>
 #include <array>
@@ -38,6 +37,7 @@
 #ifdef _WIN32
 #define SEPARATOR "\\"
 #else
+#include <unistd.h>
 #define SEPARATOR "/"
 #endif
 
diff --git a/src/zimcheck/zimcheck.cpp b/src/zimcheck/zimcheck.cpp
index 729847e4..2703c923 100644
--- a/src/zimcheck/zimcheck.cpp
+++ b/src/zimcheck/zimcheck.cpp
@@ -20,7 +20,6 @@
  * MA 02110-1301, USA.
  */
 
-#include <unistd.h>
 #include <zim/archive.h>
 #include <getopt.h>
 #include <iostream>
@@ -35,6 +34,10 @@
 #include <unordered_map>
 #include <cmath>
 
+#ifndef _WIN32
+#include <unistd.h>
+#endif
+
 #include "../progress.h"
 #include "../version.h"
 #include "../tools.h"