diff --git a/state/indexer/sink/psql/psql_test.go b/state/indexer/sink/psql/psql_test.go
index 67615f2c7..aed94529b 100644
--- a/state/indexer/sink/psql/psql_test.go
+++ b/state/indexer/sink/psql/psql_test.go
@@ -32,7 +32,7 @@ var db *sql.DB
 var resource *dockertest.Resource
 var chainID = "test-chainID"
 
-var (
+const (
 	user     = "postgres"
 	password = "secret"
 	port     = "5432"