diff --git a/behaviour_tree.cpp b/behaviour_tree.cpp
index 7268f749cf..7b36bc5cbc 100644
--- a/behaviour_tree.cpp
+++ b/behaviour_tree.cpp
@@ -1,11 +1,14 @@
 #include "behaviour_tree.h"
 #include "behaviour_nodes/behaviour_composite.h"
 #include "behaviour_nodes/behaviour_node.h"
-#include "behaviour_nodes/control_nodes.h"
 #include "core/config/engine.h"
+#include "core/object/class_db.h"
+#include "core/object/object.h"
 #include "core/variant/typed_array.h"
 
-void BehaviourTree::_bind_methods() {}
+void BehaviourTree::_bind_methods() {
+	ADD_SIGNAL(MethodInfo("current_behaviour_changed", PropertyInfo(Variant::OBJECT, "new_behaviour", PROPERTY_HINT_NODE_TYPE, "BehaviourNode")));
+}
 
 void BehaviourTree::process() {
 	do {
@@ -47,6 +50,7 @@ bool BehaviourTree::execute_next() {
 		}
 		if (this->current->get_parent() != next) {
 			next->enter();
+			emit_signal("current_behaviour_changed", next);
 		}
 		this->current = next;
 		return this->current != this->root && (cast_to<BehaviourComposite>(this->current) || this->current->get_status() != BehaviourNode::Running);