diff --git a/editor/plugins/animation_blend_tree_editor_plugin.cpp b/editor/plugins/animation_blend_tree_editor_plugin.cpp
index 10e2f5f1d05..71db40a829e 100644
--- a/editor/plugins/animation_blend_tree_editor_plugin.cpp
+++ b/editor/plugins/animation_blend_tree_editor_plugin.cpp
@@ -103,7 +103,7 @@ void AnimationNodeBlendTreeEditor::_property_changed(const StringName &p_propert
 }
 
 void AnimationNodeBlendTreeEditor::_update_graph() {
-	if (updating) {
+	if (updating || blend_tree.is_null()) {
 		return;
 	}