diff --git a/lib/cartodb/controllers/layergroup.js b/lib/cartodb/controllers/layergroup.js
index 560f4267..e0c7a7a3 100644
--- a/lib/cartodb/controllers/layergroup.js
+++ b/lib/cartodb/controllers/layergroup.js
@@ -254,6 +254,7 @@ LayergroupController.prototype.finalizeGetTileOrGrid = function(err, req, res, t
         json_torque: true,
         torque_json: true,
         png: true,
+        png32: true,
         mvt: true
     };