diff --git a/modules/terrain_editor/terrain_mesh_generator.cpp b/modules/terrain_editor/terrain_mesh_generator.cpp
index d1a9ad54..9053e0a5 100644
--- a/modules/terrain_editor/terrain_mesh_generator.cpp
+++ b/modules/terrain_editor/terrain_mesh_generator.cpp
@@ -83,7 +83,7 @@ void TerrainMeshGenerator::_notification(int what) {
 			enter_tree();
 			return;
 		case NOTIFICATION_READY:
-			rebuild_chunks();
+			callable_mp(this, &self_type::rebuild_chunks).call_deferred();
 			break;
 		case NOTIFICATION_PROCESS:
 			process();