diff --git a/castai/resource_node_configuration_eks_test.go b/castai/resource_node_configuration_eks_test.go
index 31e11203..e60d08f2 100644
--- a/castai/resource_node_configuration_eks_test.go
+++ b/castai/resource_node_configuration_eks_test.go
@@ -158,9 +158,7 @@ resource "castai_node_configuration" "test" {
   eks {
 	instance_profile_arn = aws_iam_instance_profile.test.arn
     security_groups      = [aws_security_group.test.id]
-    target_group  {
- 		  arn = "aws_new_target_group.test.arn"
-  }
+    target_group  		 = [{arn = "aws_new_target_group.test.arn"}]
 }`, rName))
 }