diff --git a/pkg/api/nodes.go b/pkg/api/nodes.go
index 99d8568f..ae3d0fec 100755
--- a/pkg/api/nodes.go
+++ b/pkg/api/nodes.go
@@ -11,6 +11,7 @@ import (
 	"strings"
 
 	"gopkg.in/yaml.v3"
+	"k8s.io/klog/v2"
 )
 
 // Parent returns the parent node (if any) of this node n
@@ -267,7 +268,8 @@ func (n *Node) Union(nodes []*Node) error {
 				continue // same node
 			}
 			if node.isDocument() {
-				return fmt.Errorf("not a container node to merge in %s/%s", Path(existingNode, "/"), existingNode.Name)
+				klog.Warningf("%s is not a container node that tried to merge in %s/%s", node.Name, Path(existingNode, "/"), existingNode.Name)
+				return nil
 			}
 			if len(node.Nodes) > 0 {
 				// merge recursively
diff --git a/pkg/reactor/manifest_resolver.go b/pkg/reactor/manifest_resolver.go
index cb694890..a6ca1122 100644
--- a/pkg/reactor/manifest_resolver.go
+++ b/pkg/reactor/manifest_resolver.go
@@ -90,7 +90,18 @@ func resolveStructure(ctx context.Context, rhRegistry resourcehandlers.Registry,
 					if err = node.Union(newNode.Nodes); err != nil {
 						return err
 					}
-					node.Parent().Nodes = node.Nodes
+					// remove node form node.Parent().Nodes
+					parentNodes := node.Parent().Nodes
+					for index, el := range parentNodes {
+						if el == node {
+							parentNodes[index] = parentNodes[len(parentNodes)-1]
+							node.Parent().Nodes = parentNodes[:len(parentNodes)-1]
+						}
+					}
+					//merge node.Nodes with node.Parent().Nodes
+					if err = node.Parent().Union(node.Nodes); err != nil {
+						return err
+					}
 				} else {
 					if err = node.Union(newNode.Nodes); err != nil {
 						return err