diff --git a/stepmania/src/arch/arch_darwin.h b/stepmania/src/arch/arch_darwin.h
index ce9b4644f1..7f6444dcf0 100644
--- a/stepmania/src/arch/arch_darwin.h
+++ b/stepmania/src/arch/arch_darwin.h
@@ -14,6 +14,7 @@
 #include "Sound/RageSoundDriver_QT.h"
 #include "LoadingWindow/LoadingWindow_Cocoa.h"
 #include "InputHandler/InputHandler_SDL.h"
+#include "LowLevelWindow/LowLevelWindow_SDL.h"
 
 #include "ArchHooks/ArchHooks_darwin.h"
 
diff --git a/stepmania/src/arch/arch_linux.h b/stepmania/src/arch/arch_linux.h
index 26e62c02cf..57abdf8a16 100644
--- a/stepmania/src/arch/arch_linux.h
+++ b/stepmania/src/arch/arch_linux.h
@@ -13,6 +13,7 @@
 #  include "LoadingWindow/LoadingWindow_Gtk.h"
 #endif
 #include "InputHandler/InputHandler_SDL.h"
+#include "LowLevelWindow/LowLevelWindow_SDL.h"
 
 #endif
 /*