diff --git a/obp-api/src/main/scala/code/util/HydraUtil.scala b/obp-api/src/main/scala/code/util/HydraUtil.scala
index 62c9031f3..e7f8be6a6 100644
--- a/obp-api/src/main/scala/code/util/HydraUtil.scala
+++ b/obp-api/src/main/scala/code/util/HydraUtil.scala
@@ -87,6 +87,7 @@ object HydraUtil {
       val jwksMap = new ObjectMapper().readValue(jwks, classOf[java.util.Map[String, _]])
       oAuth2Client.setJwks(jwksMap)
       oAuth2Client.setTokenEndpointAuthSigningAlg(JWSAlgorithm.ES256.getName)
+      oAuth2Client.setRequestObjectSigningAlg(JWSAlgorithm.ES256.getName)
     }
     Some(hydraAdmin.createOAuth2Client(oAuth2Client))
   }