diff --git a/include/fileutils.h b/include/fileutils.h
index 8362cacbfd637935cd5e344f4f22b77423aa21eb..80efe4208732371af6f54abcde67ee7e5d67dddf 100644
--- a/include/fileutils.h
+++ b/include/fileutils.h
@@ -24,6 +24,10 @@
 #include <ios>
 #include <filesystem>
 
+#ifndef _WIN32
+#include <sys/stat.h>               // mode_t
+#endif
+
 namespace dhtnet {
 namespace fileutils {