diff --git a/lib/pixi/app.js b/lib/pixi/app.js
index 74dd74b..debef86 100644
--- a/lib/pixi/app.js
+++ b/lib/pixi/app.js
@@ -528,7 +528,7 @@ export default class PIXIApp extends PIXI.Application {
         }
 
         if (progress) {
-            loader.on('progress', e => {
+            loader.onProgress.add(e => {
                 this.progress(e.progress)
             })
         }
diff --git a/lib/pixi/deepzoom/loader.js b/lib/pixi/deepzoom/loader.js
index a07d488..f5443fc 100644
--- a/lib/pixi/deepzoom/loader.js
+++ b/lib/pixi/deepzoom/loader.js
@@ -143,8 +143,8 @@ export class PIXITileLoader extends TileLoader {
         }
     }
 
-    _onError(loader, error) {
-        console.warn('Cannot load', error)
+    _onError(error, loader, resource) {
+        console.warn('Cannot load', resource ? resource.url : '', error)
     }
 
     /** Private method. Called by the PIXI loader after each successfull