diff --git a/editor/plugins/node_3d_editor_plugin.h b/editor/plugins/node_3d_editor_plugin.h
index 48423d1c83f..5c0bfab34e2 100644
--- a/editor/plugins/node_3d_editor_plugin.h
+++ b/editor/plugins/node_3d_editor_plugin.h
@@ -378,7 +378,7 @@ private:
 	Node3DEditor *spatial_editor;
 
 	Camera3D *previewing;
-	Camera3D *preview;
+	Camera3D *preview = nullptr;
 
 	bool previewing_cinema;
 	bool _is_node_locked(const Node *p_node);