diff --git a/src/pc/cliopts.c b/src/pc/cliopts.c
index 1e3b29c8..50487134 100644
--- a/src/pc/cliopts.c
+++ b/src/pc/cliopts.c
@@ -1,6 +1,7 @@
 #include "cliopts.h"
 #include <strings.h>
 #include <stdlib.h>
+#define __NO_MINGW_LFS //Mysterious error in MinGW.org stdio.h
 #include <stdio.h>
 
 struct PCCLIOptions gCLIOpts;
diff --git a/src/pc/cliopts.h b/src/pc/cliopts.h
index 1844c44c..75d78e8b 100644
--- a/src/pc/cliopts.h
+++ b/src/pc/cliopts.h
@@ -1,3 +1,4 @@
+#include <PR/ultratypes.h>
 #include "sm64.h"
 
 struct PCCLIOptions