2 files changed, 5 insertions, 5 deletions

diff --git a/server/models/user/user-interface.ts b/server/models/user/user-interface.ts
index 1ba4bd800..6726e8ab5 100644
--- a/server/models/user/user-interface.ts
+++ b/server/models/user/user-interface.ts
@@ -6,10 +6,10 @@ import { User as FormatedUser } from '../../../shared/models/user.model'
 
 export namespace UserMethods {
   export type IsPasswordMatchCallback = (err: Error, same: boolean) => void
-  export type IsPasswordMatch = (password: string, callback: IsPasswordMatchCallback) => void
+  export type IsPasswordMatch = (this: UserInstance, password: string, callback: IsPasswordMatchCallback) => void
 
-  export type ToFormatedJSON = () => FormatedUser
-  export type IsAdmin = () => boolean
+  export type ToFormatedJSON = (this: UserInstance) => FormatedUser
+  export type IsAdmin = (this: UserInstance) => boolean
 
   export type CountTotalCallback = (err: Error, total: number) => void
   export type CountTotal = (callback: CountTotalCallback) => void
diff --git a/server/models/user/user.ts b/server/models/user/user.ts
index d78f5f845..6b2410259 100644
--- a/server/models/user/user.ts
+++ b/server/models/user/user.ts
@@ -131,7 +131,7 @@ function beforeCreateOrUpdate (user: UserInstance) {
 
 // ------------------------------ METHODS ------------------------------
 
-isPasswordMatch = function (password: string, callback: UserMethods.IsPasswordMatchCallback) {
+isPasswordMatch = function (this: UserInstance, password: string, callback: UserMethods.IsPasswordMatchCallback) {
   return comparePassword(password, this.password, callback)
 }
 
@@ -146,7 +146,7 @@ toFormatedJSON = function (this: UserInstance) {
   }
 }
 
-isAdmin = function () {
+isAdmin = function (this: UserInstance) {
   return this.role === USER_ROLES.ADMIN
 }