diff --git a/src/backends/windows/system.c b/src/backends/windows/system.c
index c0ec1ffb..97df00f4 100644
--- a/src/backends/windows/system.c
+++ b/src/backends/windows/system.c
@@ -32,6 +32,7 @@
 #include <io.h>
 #include <shlobj.h>
 #include <stdio.h>
+#include <wchar.h>
 #include <windows.h>
 
 #include "../../common/header/common.h"