diff --git a/pkg/validator.go b/pkg/validator.go
index 6c93d73..c8c43cd 100644
--- a/pkg/validator.go
+++ b/pkg/validator.go
@@ -58,7 +58,7 @@ func NewPGIPFSValidator(db *sqlx.DB) *Validator {
 		kvs:           kvs,
 		trieDB:        trie.NewDatabase(kvs),
 		stateDatabase: state.NewDatabase(database),
-		db:            database,
+		db:            database.(*pgipfsethdb.Database),
 	}
 }