diff --git a/pkg/models/tasks.go b/pkg/models/tasks.go
index 98ffdf2ff2..e7e153c3fe 100644
--- a/pkg/models/tasks.go
+++ b/pkg/models/tasks.go
@@ -643,7 +643,7 @@ func (t *Task) Update() (err error) {
 	}
 
 	// If the task is being moved between lists, make sure to move the bucket as well
-	if ot.ListID != t.ListID {
+	if t.ListID != 0 && ot.ListID != t.ListID {
 		b, err := getDefaultBucket(t.ListID)
 		if err != nil {
 			return err