diff --git a/modules/terrain_editor/terrain_mesh_generator.cpp b/modules/terrain_editor/terrain_mesh_generator.cpp
index f5da7124..fcf07482 100644
--- a/modules/terrain_editor/terrain_mesh_generator.cpp
+++ b/modules/terrain_editor/terrain_mesh_generator.cpp
@@ -64,7 +64,6 @@ void TerrainMeshGenerator::on_configuration_changed() {
 	}
 	this->settings_lock.unlock();
 	if (is_ready()) {
-		emit_signal(sig_primitive_list_changed, get_primitives());
 		emit_signal(sig_primitives_changed);
 	}
 }
@@ -289,6 +288,7 @@ void TerrainMeshGenerator::set_primitives(Array primitives) {
 		}
 	}
 	on_configuration_changed();
+	emit_signal(sig_primitive_list_changed, get_primitives());
 }
 
 Array TerrainMeshGenerator::get_primitives() const {