diff --git a/opcua/gopcua/browser.go b/opcua/gopcua/browser.go
index b6209409..70bb8a02 100644
--- a/opcua/gopcua/browser.go
+++ b/opcua/gopcua/browser.go
@@ -14,7 +14,7 @@ import (
 	"github.com/mainflux/mainflux/opcua"
 )
 
-const maxChildrens = 5 // max browsing node children level
+const maxChildrens = 4 // max browsing node children level
 
 // NodeDef represents the node browser responnse
 type NodeDef struct {
@@ -58,12 +58,7 @@ func (c browser) Browse(serverURI, nodeID string) ([]opcua.BrowsedNode, error) {
 	}
 	defer oc.Close()
 
-	n, err := uaGopcua.ParseNodeID(nodeID)
-	if err != nil {
-		return nil, errors.Wrap(errFailedParseNodeID, err)
-	}
-
-	nodeList, err := browse(oc.Node(n), "", 0)
+	nodeList, err := browse(oc, nodeID, "", 0)
 	if err != nil {
 		return nil, err
 	}
@@ -84,11 +79,17 @@ func (c browser) Browse(serverURI, nodeID string) ([]opcua.BrowsedNode, error) {
 	return nodes, nil
 }
 
-func browse(n *opcuaGopcua.Node, path string, level int) ([]NodeDef, error) {
+func browse(oc *opcuaGopcua.Client, nodeID, path string, level int) ([]NodeDef, error) {
 	if level > maxChildrens {
 		return nil, nil
 	}
 
+	nid, err := uaGopcua.ParseNodeID(nodeID)
+	if err != nil {
+		return []NodeDef{}, err
+	}
+	n := oc.Node(nid)
+
 	attrs, err := n.Attributes(
 		uaGopcua.AttributeIDNodeClass,
 		uaGopcua.AttributeIDBrowseName,
@@ -180,19 +181,19 @@ func browse(n *opcuaGopcua.Node, path string, level int) ([]NodeDef, error) {
 		nodes = append(nodes, def)
 	}
 
-	bc, err := browseChildren(n, def.Path, level, id.HasComponent)
+	bc, err := browseChildren(oc, n, def.Path, level, id.HasComponent)
 	if err != nil {
 		return nil, err
 	}
 	nodes = append(nodes, bc...)
 
-	bc, err = browseChildren(n, def.Path, level, id.Organizes)
+	bc, err = browseChildren(oc, n, def.Path, level, id.Organizes)
 	if err != nil {
 		return nil, err
 	}
 	nodes = append(nodes, bc...)
 
-	bc, err = browseChildren(n, def.Path, level, id.HasProperty)
+	bc, err = browseChildren(oc, n, def.Path, level, id.HasProperty)
 	if err != nil {
 		return nil, err
 	}
@@ -201,15 +202,15 @@ func browse(n *opcuaGopcua.Node, path string, level int) ([]NodeDef, error) {
 	return nodes, nil
 }
 
-func browseChildren(n *opcuaGopcua.Node, path string, level int, typeDef uint32) ([]NodeDef, error) {
+func browseChildren(c *opcuaGopcua.Client, n *opcuaGopcua.Node, path string, level int, typeDef uint32) ([]NodeDef, error) {
 	nodes := []NodeDef{}
 	refs, err := n.ReferencedNodes(typeDef, uaGopcua.BrowseDirectionForward, uaGopcua.NodeClassAll, true)
 	if err != nil {
 		return []NodeDef{}, err
 	}
 
-	for _, rn := range refs {
-		children, err := browse(rn, path, level+1)
+	for _, ref := range refs {
+		children, err := browse(c, ref.ID.String(), path, level+1)
 		if err != nil {
 			return []NodeDef{}, err
 		}