diff --git a/changelog/unreleased/fix-status-code.md b/changelog/unreleased/fix-status-code.md
new file mode 100644
index 00000000000..0ddd60b1d14
--- /dev/null
+++ b/changelog/unreleased/fix-status-code.md
@@ -0,0 +1,6 @@
+Bugfix: Fix 500 when open public link
+
+We fixed a bug that caused nil pointer and Error 500 when open public link from deleted user
+
+https://github.com/cs3org/reva/pull/4351
+https://github.com/owncloud/ocis/issues/7740
diff --git a/pkg/auth/manager/publicshares/publicshares.go b/pkg/auth/manager/publicshares/publicshares.go
index 3ee7edbad98..d7a513362d5 100644
--- a/pkg/auth/manager/publicshares/publicshares.go
+++ b/pkg/auth/manager/publicshares/publicshares.go
@@ -135,8 +135,15 @@ func (m *manager) Authenticate(ctx context.Context, token, secret string) (*user
 		getUserResponse, err := gwConn.GetUser(ctx, &userprovider.GetUserRequest{
 			UserId: publicShareResponse.GetShare().GetCreator(),
 		})
-		if err != nil {
+		switch {
+		case err != nil:
 			return nil, nil, err
+		case getUserResponse.GetStatus().GetCode() == rpcv1beta1.Code_CODE_NOT_FOUND:
+			return nil, nil, errtypes.NotFound(getUserResponse.GetStatus().GetMessage())
+		case getUserResponse.GetStatus().GetCode() == rpcv1beta1.Code_CODE_PERMISSION_DENIED:
+			return nil, nil, errtypes.InvalidCredentials(getUserResponse.GetStatus().GetMessage())
+		case getUserResponse.GetStatus().GetCode() != rpcv1beta1.Code_CODE_OK:
+			return nil, nil, errtypes.InternalError(getUserResponse.GetStatus().GetMessage())
 		}
 		owner = getUserResponse.GetUser()
 	}