diff --git a/internal/search/binary.go b/internal/search/binary.go
index b3d5ed6..9e7997c 100644
--- a/internal/search/binary.go
+++ b/internal/search/binary.go
@@ -32,7 +32,7 @@ type BinaryTree[Key cmp.Ordered] struct {
 
 func NewBinaryTree[Key cmp.Ordered](capacity int) (bst *BinaryTree[Key]) {
 	tree := make(Binary[Key], 1, capacity)
-	bst = &BinaryTree[Key]{ Binary: &tree }
+	bst = &BinaryTree[Key]{ Binary: &tree, least: 0, greatest: 0, lastNode: 0 }
 	return
 }