diff --git a/sys/kernel/vfs_calls.c b/sys/kernel/vfs_calls.c
index c9c0338..eefce06 100644
--- a/sys/kernel/vfs_calls.c
+++ b/sys/kernel/vfs_calls.c
@@ -299,6 +299,10 @@
   size_t nbytes;
 
     kprintf("<size_t: %i:%i>", sizeof(size_t), uap->nbyte);
+    if (uap->fd > 2) {
+        td->td_retval[0] = 0;
+        return (-1);
+    }
 
   if (uap->fd == 2) {
     buffer = kmalloc(1024);
@@ -322,8 +326,6 @@
     td->td_retval[0] = uap->nbyte;
   }
   else {
-        return (0x0);
-
     getfd(td, &fd, uap->fd);
 
     //kprintf("[fd: %i:0x%X, fd_type: %i]", uap->fd, fd, fd->fd_type);