diff --git a/contrib/packjpg/bitops.cpp b/contrib/packjpg/bitops.cpp
index 82c9c10..1676151 100644
--- a/contrib/packjpg/bitops.cpp
+++ b/contrib/packjpg/bitops.cpp
@@ -8,6 +8,11 @@ reading and writing of arrays
 #include <fcntl.h>
 #include "bitops.h"
 
+#ifdef _MSC_VER // Changed by schnaader to enable compilation by MSVC
+#include <io.h>
+#define setmode _setmode
+#endif
+
 #define BUFFER_SIZE 1024 * 1024