diff --git a/extensions-api/src/main/scala/pl/touk/nussknacker/engine/api/process/ClassExtractionSettings.scala b/extensions-api/src/main/scala/pl/touk/nussknacker/engine/api/process/ClassExtractionSettings.scala
index 6b0805da421..cf4c9a717dc 100644
--- a/extensions-api/src/main/scala/pl/touk/nussknacker/engine/api/process/ClassExtractionSettings.scala
+++ b/extensions-api/src/main/scala/pl/touk/nussknacker/engine/api/process/ClassExtractionSettings.scala
@@ -226,7 +226,10 @@ object ClassExtractionSettings {
         Set("clockSequence", "randomUUID", "fromString", "getLeastSignificantBits", "getMostSignificantBits", "node", "timestamp", ToStringMethod, "variant", "version")),
       MemberNamePredicate(
         SuperClassPredicate(ExactClassPredicate(classOf[Iterable[_]], classOf[Option[_]])),
-        Set("apply", "applyOrElse", "contains", "get", "getOrDefault", "head", "indexOf", "isDefined", "isEmpty", "nonEmpty", "orNull", "size", "tail", "values", "keys", "diff"))
+        Set("apply", "applyOrElse", "contains", "get", "getOrDefault", "head", "indexOf", "isDefined", "isEmpty", "nonEmpty", "orNull", "size", "tail", "values", "keys", "diff")),
+      MemberNamePredicate(
+        SuperClassPredicate(ClassPredicate { case c => c.isArray }),
+        Set("contains", "head", "indexOf", "isEmpty", "size", "tail", "diff", "toString")),
     )
 
   lazy val IncludedSerializableMembers: List[ClassMemberPredicate] =