diff --git a/ext/fatfs-0.14b_patched.7z b/ext/fatfs-0.14b_patched.7z
index f9c173b9a..9e1a5ea98 100644
Binary files a/ext/fatfs-0.14b_patched.7z and b/ext/fatfs-0.14b_patched.7z differ
diff --git a/os/vfs/drivers/fatfs/drvfatfs.c b/os/vfs/drivers/fatfs/drvfatfs.c
index 7abc84ddc..e195826b1 100644
--- a/os/vfs/drivers/fatfs/drvfatfs.c
+++ b/os/vfs/drivers/fatfs/drvfatfs.c
@@ -181,6 +181,12 @@ static msg_t translate_error(FRESULT res) {
   case FR_EXIST:
     msg = CH_RET_EEXIST;
     break;
+  case FR_IS_DIRECTORY:
+    msg = CH_RET_EISDIR;
+    break;
+  case FR_NOT_DIRECTORY:
+    msg = CH_RET_ENOTDIR;
+    break;
   default:
     msg = CH_RET_INNER_ERROR;
     break;