diff --git a/src/OSSupport/Event.cpp b/src/OSSupport/Event.cpp
index e05de8e15..fbf04b47c 100644
--- a/src/OSSupport/Event.cpp
+++ b/src/OSSupport/Event.cpp
@@ -7,6 +7,7 @@
 #include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
 
 #include "Event.h"
+#include <chrono>
 #include "Errors.h"