diff --git a/db/db.go b/db/db.go
index 466295c..e6efa67 100644
--- a/db/db.go
+++ b/db/db.go
@@ -178,7 +178,7 @@ type TableSize struct {
 func (db *Db) SizeTable(dbname string) []TableSize {
 	rs := make([]TableSize, 1)
 	db.onDbExec("information_schema", func(sqlDb *sql.DB) bool {
-		query := "SELECT table_name AS `table`, round(((data_length + index_length) / 1024 / 1024), 2) `size' FROM TABLES WHERE table_schema = ? ORDER BY (data_length + index_length) DESC GROUP BY table_schema;"
+		query := "SELECT table_name AS `table`, round(((data_length + index_length) / 1024 / 1024), 2) `size` FROM TABLES WHERE table_schema = ? ORDER BY (data_length + index_length) DESC GROUP BY table_schema;"
 		rows, err := sqlDb.Query(query, dbname)
 		if err != nil {
 			fmt.Printf("cannot get table size of db %s : %v", dbname, err)