diff --git a/src/filesystem/dir.c b/src/filesystem/dir.c
index 06a0dcd..c7207e5 100644
--- a/src/filesystem/dir.c
+++ b/src/filesystem/dir.c
@@ -1,4 +1,3 @@
-#include "tlibc/filesystem.h"
 #include "internal.h"
 
 bool dir_exists(cstr path){
diff --git a/src/filesystem/file.c b/src/filesystem/file.c
index e1d2281..ab64d86 100644
--- a/src/filesystem/file.c
+++ b/src/filesystem/file.c
@@ -1,4 +1,3 @@
-#include "tlibc/filesystem.h"
 #include "internal.h"
 
 bool file_exists(cstr path){
@@ -46,6 +45,8 @@ Result(FILE*) file_openOrCreateReadWrite(cstr file_name){
     return RESULT_VALUE(p, f);
 }
 
+
+
 Result(i64) file_getSize(FILE* f){
     i64 r = IFWIN(_ftelli64, ftello64)(f);
     if(r < 0){
diff --git a/src/filesystem/internal.h b/src/filesystem/internal.h
index 4addc95..1ed7818 100644
--- a/src/filesystem/internal.h
+++ b/src/filesystem/internal.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#define _LARGEFILE64_SOURCE 1
 #include "tlibc/filesystem.h"
 #if TLIBC_FS_USE_WINDOWS_H
 #include <windows.h>