diff --git a/internal/fusefrontend/fs.go b/internal/fusefrontend/fs.go
index c4b1a01..eb14335 100644
--- a/internal/fusefrontend/fs.go
+++ b/internal/fusefrontend/fs.go
@@ -192,7 +192,7 @@ func (fs *FS) openWriteOnlyFile(dirfd int, cName string, newFlags int) (*File, f
 		return nil, fuse.ToStatus(err)
 	}
 	// The cast to uint32 fixes a build failure on Darwin, where st.Mode is uint16.
-	perms := uint32(st.Mode & 0777)
+	perms := uint32(st.Mode)
 	// Verify that we don't have read permissions
 	if perms&0400 != 0 {
 		tlog.Warn.Printf("openWriteOnlyFile: unexpected permissions %#o, returning EPERM", perms)
diff --git a/internal/fusefrontend/fs_dir.go b/internal/fusefrontend/fs_dir.go
index 880f271..a017050 100644
--- a/internal/fusefrontend/fs_dir.go
+++ b/internal/fusefrontend/fs_dir.go
@@ -163,7 +163,7 @@ func (fs *FS) Rmdir(relPath string, context *fuse.Context) (code fuse.Status) {
 			return fuse.ToStatus(err)
 		}
 		// This cast is needed on Darwin, where st.Mode is uint16.
-		origMode := uint32(st.Mode & 0777)
+		origMode := uint32(st.Mode)
 		err = syscallcompat.Fchmodat(parentDirFd, cName, origMode|0700, unix.AT_SYMLINK_NOFOLLOW)
 		if err != nil {
 			tlog.Debug.Printf("Rmdir: Fchmodat failed: %v", err)