diff --git a/packages/server/src/appMigrations/index.ts b/packages/server/src/appMigrations/index.ts
index b382d8b533..0758b9f324 100644
--- a/packages/server/src/appMigrations/index.ts
+++ b/packages/server/src/appMigrations/index.ts
@@ -17,7 +17,7 @@ export const getLatestMigrationId = () =>
     .sort()
     .reverse()[0]
 
-const getTimestamp = (versionId: string) => versionId?.split("_")[0]
+const getTimestamp = (versionId: string) => versionId?.split("_")[0] || ""
 
 export async function checkMissingMigrations(
   ctx: UserCtx,