diff --git a/internal/orchestrator/tasks/taskbackup.go b/internal/orchestrator/tasks/taskbackup.go
index 0e0eeffd..9ba4971d 100644
--- a/internal/orchestrator/tasks/taskbackup.go
+++ b/internal/orchestrator/tasks/taskbackup.go
@@ -76,7 +76,7 @@ func (t *BackupTask) Next(now time.Time, runner TaskRunner) (ScheduledTask, erro
 		if op.Status == v1.OperationStatus_STATUS_PENDING || op.Status == v1.OperationStatus_STATUS_SYSTEM_CANCELLED {
 			return nil
 		}
-		if _, ok := op.Op.(*v1.Operation_OperationBackup); ok {
+		if _, ok := op.Op.(*v1.Operation_OperationBackup); ok && op.UnixTimeEndMs != 0 {
 			lastRan = time.Unix(0, op.UnixTimeEndMs*int64(time.Millisecond))
 			return oplog.ErrStopIteration
 		}
diff --git a/internal/orchestrator/tasks/taskcheck.go b/internal/orchestrator/tasks/taskcheck.go
index ac94328f..06bddcc5 100644
--- a/internal/orchestrator/tasks/taskcheck.go
+++ b/internal/orchestrator/tasks/taskcheck.go
@@ -63,7 +63,7 @@ func (t *CheckTask) Next(now time.Time, runner TaskRunner) (ScheduledTask, error
 		if op.Status == v1.OperationStatus_STATUS_PENDING || op.Status == v1.OperationStatus_STATUS_SYSTEM_CANCELLED {
 			return nil
 		}
-		if _, ok := op.Op.(*v1.Operation_OperationCheck); ok {
+		if _, ok := op.Op.(*v1.Operation_OperationCheck); ok && op.UnixTimeEndMs != 0 {
 			lastRan = time.Unix(0, op.UnixTimeEndMs*int64(time.Millisecond))
 			return oplog.ErrStopIteration
 		}
diff --git a/internal/orchestrator/tasks/taskprune.go b/internal/orchestrator/tasks/taskprune.go
index 55fe4fd6..5d07604f 100644
--- a/internal/orchestrator/tasks/taskprune.go
+++ b/internal/orchestrator/tasks/taskprune.go
@@ -62,7 +62,7 @@ func (t *PruneTask) Next(now time.Time, runner TaskRunner) (ScheduledTask, error
 		if op.Status == v1.OperationStatus_STATUS_PENDING || op.Status == v1.OperationStatus_STATUS_SYSTEM_CANCELLED {
 			return nil
 		}
-		if _, ok := op.Op.(*v1.Operation_OperationPrune); ok {
+		if _, ok := op.Op.(*v1.Operation_OperationPrune); ok && op.UnixTimeEndMs != 0 {
 			lastRan = time.Unix(0, op.UnixTimeEndMs*int64(time.Millisecond))
 			return oplog.ErrStopIteration
 		}