diff --git a/obp-commons/src/main/scala/com/openbankproject/commons/util/JsonSerializers.scala b/obp-commons/src/main/scala/com/openbankproject/commons/util/JsonSerializers.scala
index 768874056..c72ffe18c 100644
--- a/obp-commons/src/main/scala/com/openbankproject/commons/util/JsonSerializers.scala
+++ b/obp-commons/src/main/scala/com/openbankproject/commons/util/JsonSerializers.scala
@@ -32,7 +32,7 @@ object JsonSerializers {
       override def lookupParameterNames(constructor: Constructor[_]): Traversable[String] =  try {
           defaultFormats.parameterNameReader.lookupParameterNames(constructor)
         } catch {
-          case _ => constructor.getParameters.map(_.getName)
+          case _ : Throwable => constructor.getParameters.map(_.getName)
         }
     }
   }