diff --git a/kdtree.h b/kdtree.h
index 6b8ab66..9fb4387 100644
--- a/kdtree.h
+++ b/kdtree.h
@@ -74,7 +74,7 @@ class KDTree {
             // Get extent along this axis
             auto comparator = get_point_comparator(it_axis);
 
-            Point *min = *std::max_element(points.begin(), points.end(), comparator);
+            Point *min = *std::min_element(points.begin(), points.end(), comparator);
             Point *max = *std::max_element(points.begin(), points.end(), comparator);
 
             float extent = max->coordinates[it_axis] - min->coordinates[it_axis];
@@ -112,7 +112,8 @@ class KDTree {
 
         str += std::string(depth, '-') + std::to_string(point->coordinates[0]) + ", " +
                std::to_string(point->coordinates[1]) + ", " +
-               std::to_string(point->coordinates[2]) + "\n";
+               std::to_string(point->coordinates[2]) + " with axis " + std::to_string(node->axis) +
+               "\n";
 
         to_string_recurse(str, node->left, depth + 1);
         to_string_recurse(str, node->right, depth + 1);