diff --git a/sys/kernel/vfs_calls.c b/sys/kernel/vfs_calls.c
index dabec96..5226ead 100644
--- a/sys/kernel/vfs_calls.c
+++ b/sys/kernel/vfs_calls.c
@@ -35,6 +35,7 @@
 #include <sys/errno.h>
 #include <string.h>
 #include <ufs/ufs.h>
+#include "../fs/fat/fat_filelib.h"
 
 int sys_open(struct thread *td, struct sys_open_args *args) {
   kprintf("sys_open?");