diff --git a/Source/Core/Core/NetPlayServer.cpp b/Source/Core/Core/NetPlayServer.cpp
index 0915410298..5352c57769 100644
--- a/Source/Core/Core/NetPlayServer.cpp
+++ b/Source/Core/Core/NetPlayServer.cpp
@@ -50,6 +50,7 @@
 #include "Core/HW/GCMemcard/GCMemcardDirectory.h"
 #include "Core/HW/GCMemcard/GCMemcardRaw.h"
 #include "Core/HW/Sram.h"
+#include "Core/HW/SystemTimers.h"
 #include "Core/HW/WiiSave.h"
 #include "Core/HW/WiiSaveStructs.h"
 #include "Core/HW/WiimoteEmu/DesiredWiimoteState.h"