diff --git a/bin/parser.lemon b/bin/parser.lemon
index 582f533..8c5f87b 100644
--- a/bin/parser.lemon
+++ b/bin/parser.lemon
@@ -11,7 +11,7 @@
 #include <cstddef>
 #include "debugger.h"
 
-#include <toolbox/MM.h>
+#include <toolbox/mm.h>
 
 using Debug::Token;
 
diff --git a/toolbox/loader.cpp b/toolbox/loader.cpp
index 32330f1..6a8575a 100644
--- a/toolbox/loader.cpp
+++ b/toolbox/loader.cpp
@@ -40,8 +40,8 @@
 #include "toolbox.h"
 #include "stackframe.h"
 
-#include "RM.h"
-#include "MM.h"
+#include "rm.h"
+#include "mm.h"
 
 #include <macos/sysequ.h>