diff --git a/pkg/scheduler/internal/cache/node_tree.go b/pkg/scheduler/internal/cache/node_tree.go
index 1c7ef2c6ebf..570d6d2f364 100644
--- a/pkg/scheduler/internal/cache/node_tree.go
+++ b/pkg/scheduler/internal/cache/node_tree.go
@@ -63,7 +63,7 @@ func newNodeTree(nodes []*v1.Node) *NodeTree {
 		tree: make(map[string]*nodeArray),
 	}
 	for _, n := range nodes {
-		nt.AddNode(n)
+		nt.addNode(n)
 	}
 	return nt
 }