diff --git a/lambda/update/attorney_sign.go b/lambda/update/attorney_sign.go
index db29fb91..505fc58e 100644
--- a/lambda/update/attorney_sign.go
+++ b/lambda/update/attorney_sign.go
@@ -63,7 +63,7 @@ func validateAttorneySign(changes []shared.Change, lpa *shared.Lpa) (AttorneySig
 						Field("/channel", &data.Channel, parse.Validate(func() []shared.FieldError {
 							return validate.IsValid("", data.Channel)
 						}), parse.MustMatchExisting()).
-						Field("/email", &data.Email, parse.MustMatchExisting()).
+						Field("/email", &data.Email, parse.MustMatchExisting(), parse.Optional()).
 						Consumed()
 				}).
 				Consumed()
diff --git a/lambda/update/attorney_sign_test.go b/lambda/update/attorney_sign_test.go
index 20063773..da63e1fa 100644
--- a/lambda/update/attorney_sign_test.go
+++ b/lambda/update/attorney_sign_test.go
@@ -77,11 +77,6 @@ func TestValidateUpdateAttorneySign(t *testing.T) {
 						New: json.RawMessage(`"online"`),
 						Old: jsonNull,
 					},
-					{
-						Key: "/attorneys/0/email",
-						New: json.RawMessage(`"a@example.com"`),
-						Old: jsonNull,
-					},
 				},
 			},
 			lpa: &shared.Lpa{LpaInit: shared.LpaInit{Attorneys: []shared.Attorney{