diff --git a/service.go b/service.go
index dab17e3f..ebaa53ba 100644
--- a/service.go
+++ b/service.go
@@ -69,7 +69,7 @@ type Service struct {
 	EscalationPolicy       EscalationPolicy     `json:"escalation_policy,omitempty"`
 	Teams                  []Team               `json:"teams,omitempty"`
 	IncidentUrgencyRule    *IncidentUrgencyRule `json:"incident_urgency_rule,omitempty"`
-	SupportHours           *SupportHours        `json:"support_hours,omitempty"`
+	SupportHours           *SupportHours        `json:"support_hours"`
 	ScheduledActions       []ScheduledAction    `json:"scheduled_actions"`
 	AlertCreation          string               `json:"alert_creation,omitempty"`
 	AlertGrouping          string               `json:"alert_grouping,omitempty"`