diff --git a/sys/fs/fat/fat.c b/sys/fs/fat/fat.c
index 1f28530..67ce0e9 100644
--- a/sys/fs/fat/fat.c
+++ b/sys/fs/fat/fat.c
@@ -100,6 +100,8 @@
     kprintf("SEEK FAILED!");
 
   size = fl_fread(data, size, 1, _file);
+  if (size >= 0)
+    fd->offset = offset + size;
 
   /* Return */
   return (size);