diff --git a/stepmania/src/arch/MemoryCard/Selector_MemoryCardDriver.h b/stepmania/src/arch/MemoryCard/Selector_MemoryCardDriver.h
index 35b59fdadf..9d1b4bfab5 100644
--- a/stepmania/src/arch/MemoryCard/Selector_MemoryCardDriver.h
+++ b/stepmania/src/arch/MemoryCard/Selector_MemoryCardDriver.h
@@ -1,13 +1,13 @@
 #ifndef SELECTOR_MEMORY_CARD_DRIVER_H
 #define SELECTOR_MEMORY_CARD_DRIVER_H
 
-#include "arch/arch_platform.h"
-
 /* MemoryCardDriver selector. */
 #if defined(LINUX)
-#include "MemoryCardDriverThreaded_Linux.h"
+# include "MemoryCardDriverThreaded_Linux.h"
 #elif defined(WINDOWS)
-#include "MemoryCardDriverThreaded_Windows.h"
+# include "MemoryCardDriverThreaded_Windows.h"
+#elif defined(MACOSX)
+# include "MemoryCardDriverThreaded_OSX.h"
 #endif
 
 #endif