diff --git a/crates/test-programs/build.rs b/crates/test-programs/build.rs
index 6e2c67ad37..3b9273334f 100644
--- a/crates/test-programs/build.rs
+++ b/crates/test-programs/build.rs
@@ -199,8 +199,9 @@ mod wasi_tests {
             "fd_flags_set",
             "path_filestat",
             "symlink_filestat",
-            // waiting on DirExt::delete_file_or_symlink
-            "symlink_create",
+            // upstream fixes pending:
+            "symlink_create",  // cap-std #149
+            "nofollow_errors", // cap-std #149 and #150
             // Trailing slash related bugs
             "interesting_paths",
             "path_rename_file_trailing_slashes",
diff --git a/crates/wasi-common/src/snapshots/preview_1.rs b/crates/wasi-common/src/snapshots/preview_1.rs
index 2d5c67c9b5..3506c77eb3 100644
--- a/crates/wasi-common/src/snapshots/preview_1.rs
+++ b/crates/wasi-common/src/snapshots/preview_1.rs
@@ -173,6 +173,7 @@ impl TryFrom<std::io::Error> for types::Errno {
                 winerror::ERROR_DIRECTORY => Some(types::Errno::Notdir),
                 winerror::ERROR_ALREADY_EXISTS => Some(types::Errno::Exist),
                 winerror::ERROR_STOPPED_ON_SYMLINK => Some(types::Errno::Loop),
+                winerror::ERROR_DIRECTORY_NOT_SUPPORTED => Some(types::Errno::Isdir),
                 _ => None,
             }
         }