diff --git a/library/PlugLoad-windows.cpp b/library/PlugLoad-windows.cpp
index f9a75df97..714960e64 100644
--- a/library/PlugLoad-windows.cpp
+++ b/library/PlugLoad-windows.cpp
@@ -28,6 +28,7 @@ distribution.
 #include <stdint.h>
 #include <vector>
 #include <string>
+#include "Core.h"
 #include "PluginManager.h"
 #include "Hooks.h"
 #include <stdio.h>