1 files changed, 2 insertions, 1 deletions

diff --git a/server/models/job-interface.ts b/server/models/job-interface.ts
index ad4e2d2b0..ab6678257 100644
--- a/server/models/job-interface.ts
+++ b/server/models/job-interface.ts
@@ -1,7 +1,8 @@
 import * as Sequelize from 'sequelize'
 
 export namespace JobMethods {
-  export type ListWithLimit = (limit, state, callback) => void
+  export type ListWithLimitCallback = (err: Error, jobInstances: JobInstance[]) => void
+  export type ListWithLimit = (limit: number, state: string, callback: ListWithLimitCallback) => void
 }
 
 export interface JobClass {