diff --git a/pkg/ui/bucket.go b/pkg/ui/bucket.go
index e8fcbe6887..6aa7b67b40 100644
--- a/pkg/ui/bucket.go
+++ b/pkg/ui/bucket.go
@@ -20,6 +20,7 @@ type Bucket struct {
 	Blocks      template.JS
 	RefreshedAt time.Time
 	Err         error
+	flagsMap    map[string]string
 }
 
 func NewBucketUI(logger log.Logger, label string, flagsMap map[string]string) *Bucket {