diff --git a/src/interfaces/repository/authentication-account-repository.ts b/src/interfaces/repository/authentication-account-repository.ts
index d05a6c0..922898c 100644
--- a/src/interfaces/repository/authentication-account-repository.ts
+++ b/src/interfaces/repository/authentication-account-repository.ts
@@ -44,7 +44,7 @@ export interface AuthenticationAccountRepository /*extends UserDetailsManager*/
 	getEncodedPassword(username: string): Promise<string>;
 	getPasswordLastChangeDate(email: string): Promise<Date>;
 
-	setAuthority(username: string, authority: string);
+	setAuthorities(username: string, authorities: string[]);
 
 	// LINKS: