1 files changed, 13 insertions, 0 deletions
diff --git a/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc b/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc
index 648e4a3334a..fa6d7bc6028 100644
--- a/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc
+++ b/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc
@@ -1528,6 +1528,19 @@ void DepsgraphNodeBuilder::build_mask(Mask *mask)
                      NodeType::PARAMETERS,
                      OperationCode::MASK_EVAL,
                      function_bind(BKE_mask_eval_update, _1, mask_cow));
+  /* Build parents. */
+  LISTBASE_FOREACH (MaskLayer *, mask_layer, &mask->masklayers) {
+    LISTBASE_FOREACH (MaskSpline *, spline, &mask_layer->splines) {
+      for (int i = 0; i < spline->tot_point; i++) {
+        MaskSplinePoint *point = &spline->points[i];
+        MaskParent *parent = &point->parent;
+        if (parent == NULL || parent->id == NULL) {
+          continue;
+        }
+        build_id(parent->id);
+      }
+    }
+  }
 }
 
 void DepsgraphNodeBuilder::build_movieclip(MovieClip *clip)