diff --git a/a3/binary_search_tree.c b/a3/binary_search_tree.c
index 69d4a11..89824ea 100644
--- a/a3/binary_search_tree.c
+++ b/a3/binary_search_tree.c
@@ -47,6 +47,12 @@ static void inorder_traversal(node_t *root, int *sorted_array, size_t *index) {
     }
 }
 
+static size_t count_nodes_helper(node_t *root);
+
+size_t count_nodes(node_t *tree) {
+    return count_nodes_helper(tree);
+}
+
 static size_t count_nodes_helper(node_t *root) {
     if (root == NULL) {
         return 0;
@@ -54,10 +60,6 @@ static size_t count_nodes_helper(node_t *root) {
     return 1 + count_nodes_helper(root->left) + count_nodes_helper(root->right);
 }
 
-size_t count_nodes(node_t *tree) {
-    return count_nodes_helper(tree);
-}
-
 int *sorted_data(node_t *tree) {
     size_t index = 0;
     size_t num_nodes = count_nodes(tree);