diff --git a/src/batch-client/index.ts b/src/batch-client/index.ts
index da9b0a561..21e584abe 100644
--- a/src/batch-client/index.ts
+++ b/src/batch-client/index.ts
@@ -241,7 +241,7 @@ export class ZimbraBatchClient {
 				...denormalize(CalendarItemCreateModifyRequest)(appointment)
 			},
 			accountName: accountName
-		}).then(res => normalize(CalendarItemHitInfo)(res));
+		});
 
 	public createAppointmentException = (
 		accountName: string,
diff --git a/src/schema/generated-schema-types.ts b/src/schema/generated-schema-types.ts
index 098c5ac13..55830bfc5 100644
--- a/src/schema/generated-schema-types.ts
+++ b/src/schema/generated-schema-types.ts
@@ -991,7 +991,7 @@ export interface Mutation {
 	checkCalendar?: boolean | null;
 	contactAction?: ActionOpResponse | null;
 	conversationAction?: boolean | null;
-	createAppointment?: CalendarItemHitInfo | null;
+	createAppointment?: boolean | null;
 	createAppointmentException?: boolean | null;
 	createCalendar?: boolean | null;
 	createContact?: Contact | null;
diff --git a/src/schema/schema.graphql b/src/schema/schema.graphql
index 47849d91c..122eb4bf8 100644
--- a/src/schema/schema.graphql
+++ b/src/schema/schema.graphql
@@ -2159,7 +2159,7 @@ type Mutation {
 		ids: [ID!]!
 		op: String!
 	): Boolean
-	createAppointment(accountName: String, appointment: CalendarItemInput!): CalendarItemHitInfo
+	createAppointment(accountName: String, appointment: CalendarItemInput!): Boolean
 	createAppointmentException(accountName: String, appointment: CalendarItemInput!): Boolean
 	createCalendar(name: String!, color: Int!, url: String): Boolean
 	createContact(contact: CreateContactInput!): Contact