diff --git a/sql.go b/sql.go
index 9e4b618..43341df 100644
--- a/sql.go
+++ b/sql.go
@@ -64,8 +64,8 @@ func initDB() {
 							,obj_type_id	 SMALLINT UNSIGNED NOT NULL
 							,obj_sub_type_id SMALLINT UNSIGNED NOT NULL
 							,PRIMARY KEY (id)
-							,FOREIGN KEY (obj_type_id) REFERENCSE code_obj_type(id) ON DELETE CASCADE
-							,FOREIGN KEY (obj_sub_type_id) REFERENCSE code_obj_sub_type(id) ON DELETE CASCADE
+							,FOREIGN KEY (obj_type_id) REFERENCES code_obj_type(id) ON DELETE CASCADE
+							,FOREIGN KEY (obj_sub_type_id) REFERENCES code_obj_sub_type(id) ON DELETE CASCADE
 						  ) ENGINE = InnoDB AUTO_INCREMENT = 0 CHARSET=utf8mb4 COLLATE utf8mb4_unicode_ci;`)
 	failOnError(err, "initDB : create table obj")