diff --git a/models/certificate.go b/models/certificate.go
index 5517895..fafe016 100644
--- a/models/certificate.go
+++ b/models/certificate.go
@@ -15,6 +15,7 @@ type RunnerWithDonations struct {
 	DistanceDonations []DistanceDonation `json:"distance_donations" validate:"optional"`
 	TotalPerDistance  int                `json:"total_per_distance" validate:"optional"`
 	TotalDonations    int                `json:"total_donations" validate:"optional"`
+	SelfServiceLink   string             `json:"self_service_link" validate:"required"`
 }
 
 type DistanceDonation struct {