diff --git a/grpcapi/diag.go b/grpcapi/diag.go
index 5ed7978..830bf04 100644
--- a/grpcapi/diag.go
+++ b/grpcapi/diag.go
@@ -21,6 +21,7 @@ func (e Diag) ToStorageType() storage.Diag {
 		Data:			map[string]any{},
 		Deleted:		e.Deleted,
 		Diagdate:		e.Diagdate.AsTime(),
+		Owners: 		append([]string{}, e.Owners...),
 	}
 
 	for k, d := range e.Data.GetFields() {
@@ -59,6 +60,7 @@ func DiagFromStorageType(diag *storage.Diag) (*Diag, error) {
 		Data:                data,
 		Deleted:             diag.Deleted,
 		Diagdate:            timestamppb.New(diag.Diagdate),
+		Owners:              diag.Owners,
 	}, nil
 }