diff --git a/src/utilities.cpp b/src/utilities.cpp
index 5238a5b..3aecc32 100644
--- a/src/utilities.cpp
+++ b/src/utilities.cpp
@@ -43,7 +43,7 @@
 #include <sstream>
 #include <thread>
 
-#if not defined(_MSC_VER)
+#if not defined(_WIN32)
 #include <sys/ioctl.h>
 #include <termios.h>
 #endif
@@ -68,9 +68,9 @@ std::string get_version_nr()
 
 // --------------------------------------------------------------------
 
-#ifdef _MSC_VER
+#if defined(_WIN32)
 }
-#include <Windows.h>
+#include <windows.h>
 #include <libloaderapi.h>
 #include <wincon.h>