diff --git a/db_test.go b/db_test.go
index ff14a48..5b6b737 100644
--- a/db_test.go
+++ b/db_test.go
@@ -16,7 +16,7 @@ import (
 )
 
 var (
-	dbtype         = flag.String("dbtype", "mysql", "database type")
+	dbtype         = flag.String("dbtype", "sqlite3", "database type")
 	createTableSql string
 )