diff --git a/source/blender/depsgraph/intern/builder/deg_builder_relations.cc b/source/blender/depsgraph/intern/builder/deg_builder_relations.cc index d63d1bafb3e..3b2e0f92700 100644 --- a/source/blender/depsgraph/intern/builder/deg_builder_relations.cc +++ b/source/blender/depsgraph/intern/builder/deg_builder_relations.cc @@ -1646,6 +1646,14 @@ void DepsgraphRelationBuilder::build_driver_data(ID *id, FCurve *fcu) add_relation(property_exit_key, parameters_key, "Driven Property -> Properties"); } } + + /* Assume drivers on a node tree affect the evaluated output of the node tree. In theory we could + * check if the driven value actually affects the output, i.e. if it drives a node that is linked + * to the output. */ + if (GS(id_ptr->name) == ID_NT) { + ComponentKey ntree_output_key(id_ptr, NodeType::NTREE_OUTPUT); + add_relation(driver_key, ntree_output_key, "Drivers -> NTree Output"); + } } void DepsgraphRelationBuilder::build_driver_variables(ID *id, FCurve *fcu)