diff --git a/client/schedules.go b/client/schedules.go
index 7a1a6fd..dfcfd9e 100644
--- a/client/schedules.go
+++ b/client/schedules.go
@@ -47,7 +47,7 @@ type CreateLayers struct {
 	ShiftLength       int               `json:"shift_length"`
 	Name              string            `json:"name"`
 	RotationStartTime string            `json:"rotation_start_time"`
-	RotationEndTime   string            `json:"rotation_end_time"`
+	RotationEndTime   string            `json:"rotation_end_time,omitempty"`
 	RestrictionType   int               `json:"restriction_type,omitempty"`
 	Users             []CreateUserLayer `json:"users"`
 	Restrictions      []Restrictions    `json:"restrictions"`