diff --git a/libraries/shared/src/SharedUtil.cpp b/libraries/shared/src/SharedUtil.cpp
index 78ef997c35..b865d9c717 100644
--- a/libraries/shared/src/SharedUtil.cpp
+++ b/libraries/shared/src/SharedUtil.cpp
@@ -15,6 +15,10 @@
 #include <cctype>
 #include <time.h>
 
+#ifdef _WIN32
+#include <windows.h>
+#endif
+
 #ifdef __APPLE__
 #include <CoreFoundation/CoreFoundation.h>
 #endif