diff --git a/scene/2d/navigation_obstacle_2d.cpp b/scene/2d/navigation_obstacle_2d.cpp
index 1b51bd423..0ed000954 100644
--- a/scene/2d/navigation_obstacle_2d.cpp
+++ b/scene/2d/navigation_obstacle_2d.cpp
@@ -148,7 +148,7 @@ void NavigationObstacle2D::initialize_agent() {
 }
 
 void NavigationObstacle2D::reevaluate_agent_radius() {
-	if (!estimate_agent_radius()) {
+	if (!estimate_radius) {
 		Navigation2DServer::get_singleton()->agent_set_radius(agent, radius);
 	} else if (parent_node2d && parent_node2d->is_inside_tree()) {
 		Navigation2DServer::get_singleton()->agent_set_radius(agent, estimate_agent_radius());