diff --git a/lib/std/fs.zig b/lib/std/fs.zig
index 10422b9d546cd5a23a40c12603c62dc93e5ffddc..6cb7d478b21cb57732325475b9ff3dc4a0843d7e 100644
--- a/lib/std/fs.zig
+++ b/lib/std/fs.zig
@@ -1099,6 +1099,7 @@ pub const Dir = struct {
             .OBJECT_NAME_INVALID => unreachable,
             .OBJECT_NAME_NOT_FOUND => return error.FileNotFound,
             .OBJECT_PATH_NOT_FOUND => return error.FileNotFound,
+            .NOT_A_DIRECTORY => return error.NotDir,
             .INVALID_PARAMETER => unreachable,
             else => return w.unexpectedStatus(rc),
         }