diff --git a/util/data_stream.go b/util/data_stream.go
index cedcf04db..2c3133049 100644
--- a/util/data_stream.go
+++ b/util/data_stream.go
@@ -40,6 +40,7 @@ type DataStream struct {
 	Dataset   string `config:"dataset" json:"dataset,omitempty" yaml:"dataset,omitempty"`
 	Hidden    bool   `config:"hidden" json:"hidden,omitempty" yaml:"hidden,omitempty"`
 	IlmPolicy string `config:"ilm_policy" json:"ilm_policy,omitempty" yaml:"ilm_policy,omitempty"`
+	DatasetIsPrefix    bool   `config:"dataset_is_prefix" json:"dataset_is_prefix,omitempty" yaml:"dataset_is_prefix,omitempty"`
 
 	Title   string `config:"title" json:"title" validate:"required"`
 	Release string `config:"release" json:"release"`