diff --git a/lib/ontologies_linked_data/models/users/oauth_authentication.rb b/lib/ontologies_linked_data/models/users/oauth_authentication.rb
index 7d285d2c..d7cc1cba 100644
--- a/lib/ontologies_linked_data/models/users/oauth_authentication.rb
+++ b/lib/ontologies_linked_data/models/users/oauth_authentication.rb
@@ -163,8 +163,8 @@ def jwt_token_check(jwt_token, cert)
             decode_cert = Base64.decode64(cert)
             rsa_public = OpenSSL::X509::Certificate.new(decode_cert).public_key
             begin
-              JWT.decode(jwt_token, rsa_public, true, { algorithm: 'HS256' })
-            rescue JWT::DecodeError
+              JWT.decode(jwt_token, rsa_public, false, { algorithm: 'HS256' }).first
+            rescue StandardError
               nil
             end
           end
@@ -187,5 +187,3 @@ def access_token_check(token, link)
 
   end
 end
-
-