diff --git a/src/jwt.ts b/src/jwt.ts
index 0ea0448..ded9fbe 100644
--- a/src/jwt.ts
+++ b/src/jwt.ts
@@ -34,7 +34,7 @@ export class JWTcontext {
         }
     }
 
-    public async sign<T extends jose.JWTPayload>(message: T, set_issued: boolean = false, exp?: number | string | Date, audience?: string | string[], issuer?: string): Promise<JWT<T>> {
+    public async sign<T>(message: T, set_issued: boolean = false, exp?: number | string | Date, audience?: string | string[], issuer?: string): Promise<JWT<T>> {
         log.trace('sign JWT')
         log.debug('Config :', {
             set_issued,