diff --git a/packages/server/src/db/schema/schedule.ts b/packages/server/src/db/schema/schedule.ts
index 4c679ae36..6e7395dcb 100644
--- a/packages/server/src/db/schema/schedule.ts
+++ b/packages/server/src/db/schema/schedule.ts
@@ -57,6 +57,7 @@ export const schedules = pgTable("schedule", {
 });
 
 export type Schedule = typeof schedules.$inferSelect;
+export type ScheduleType = Schedule["scheduleType"];
 
 export const schedulesRelations = relations(schedules, ({ one, many }) => ({
 	application: one(applications, {
@@ -78,7 +79,14 @@ export const schedulesRelations = relations(schedules, ({ one, many }) => ({
 	deployments: many(deployments),
 }));
 
-export const createScheduleSchema = createInsertSchema(schedules);
+export const createScheduleSchema = createInsertSchema(schedules, {
+	scheduleType: z.enum([
+		"application",
+		"compose",
+		"server",
+		"dokploy-server",
+	]),
+});
 
 export const updateScheduleSchema = createScheduleSchema.extend({
 	scheduleId: z.string().min(1),
diff --git a/packages/server/src/services/schedule.ts b/packages/server/src/services/schedule.ts
index db6d51ecd..c94973e02 100644
--- a/packages/server/src/services/schedule.ts
+++ b/packages/server/src/services/schedule.ts
@@ -22,7 +22,7 @@ export type ScheduleExtended = Awaited<ReturnType<typeof findScheduleById>>;
 // not downgrade this to a service-access check.
 export const assertHostScheduleAccess = async (
 	ctx: { user: { id: string }; session: { activeOrganizationId: string } },
-	scheduleType: string | undefined,
+	scheduleType: Schedule["scheduleType"] | null | undefined,
 	serverId: string | null | undefined,
 ) => {
 	if (scheduleType !== "server" && scheduleType !== "dokploy-server") return;