diff --git a/ScalliGraph b/ScalliGraph
index e9b3180098..acc3bea235 160000
--- a/ScalliGraph
+++ b/ScalliGraph
@@ -1 +1 @@
-Subproject commit e9b31800985bc83dd8cda20496f42a96d5236f21
+Subproject commit acc3bea235989e57f8b43fd0780f6905437cc9e2
diff --git a/thehive/app/org/thp/thehive/services/th3/Aggregation.scala b/thehive/app/org/thp/thehive/services/th3/Aggregation.scala
index 358d5a744b..79d89cf159 100644
--- a/thehive/app/org/thp/thehive/services/th3/Aggregation.scala
+++ b/thehive/app/org/thp/thehive/services/th3/Aggregation.scala
@@ -186,7 +186,8 @@ case class AggAvg(aggName: Option[String], fieldName: String) extends Aggregatio
         property
           .select(fieldPath, t, authContext)
           .mean
-          .domainMap(avg => Output(Json.obj(name -> avg.asInstanceOf[Double]))),
+          .domainMap(avg => Output(Json.obj(name -> avg)))
+          .asInstanceOf[Traversal.Domain[Output[_]]],
       Output(Json.obj(name -> JsNull))
     )
   }