diff --git a/src/OSSupport/File.cpp b/src/OSSupport/File.cpp
index 8c24fa541..addf8f928 100644
--- a/src/OSSupport/File.cpp
+++ b/src/OSSupport/File.cpp
@@ -7,6 +7,9 @@
 
 #include "File.h"
 #include <fstream>
+#ifdef _WIN32
+	#include <share.h>  // for _SH_DENYWRITE
+#endif  // _WIN32