diff --git a/packages/backend/src/const.ts b/packages/backend/src/const.ts
index 38bb79a2da..17fdb45ec0 100644
--- a/packages/backend/src/const.ts
+++ b/packages/backend/src/const.ts
@@ -1,7 +1,9 @@
 export const MAX_NOTE_TEXT_LENGTH = 3000;
 
 export const SECOND = 1000;
+export const SEC = 1000;
 export const MINUTE = 60 * SEC;
+export const MIN = 60 * SEC;
 export const HOUR = 60 * MIN;
 export const DAY = 24 * HOUR;