diff --git a/api/src/main/java/org/apache/cloudstack/api/command/user/backup/ListBackupScheduleCmd.java b/api/src/main/java/org/apache/cloudstack/api/command/user/backup/ListBackupScheduleCmd.java
index eed346376152..17bd06bfdd4b 100644
--- a/api/src/main/java/org/apache/cloudstack/api/command/user/backup/ListBackupScheduleCmd.java
+++ b/api/src/main/java/org/apache/cloudstack/api/command/user/backup/ListBackupScheduleCmd.java
@@ -59,7 +59,6 @@ public class ListBackupScheduleCmd extends BaseListProjectAndAccountResourcesCmd
     @Parameter(name = ApiConstants.VIRTUAL_MACHINE_ID,
             type = CommandType.UUID,
             entityType = UserVmResponse.class,
-            required = true,
             description = "ID of the Instance")
     private Long vmId;