diff --git a/modules/contrib/src/inputoutput.cpp b/modules/contrib/src/inputoutput.cpp
index d10d884c83..a711f242ad 100644
--- a/modules/contrib/src/inputoutput.cpp
+++ b/modules/contrib/src/inputoutput.cpp
@@ -1,7 +1,7 @@
 
 #include "opencv2/contrib/contrib.hpp"
 
-#ifdef WIN32
+#if defined(WIN32) || defined(_WIN32)
     #include <windows.h>
     #include <tchar.h>
 #else