diff --git a/admin/themes/default/js/batchManagerGlobal.js b/admin/themes/default/js/batchManagerGlobal.js
index 26e174b50..803402dbe 100644
--- a/admin/themes/default/js/batchManagerGlobal.js
+++ b/admin/themes/default/js/batchManagerGlobal.js
@@ -288,8 +288,14 @@ jQuery('#applyAction').click(function(e) {
         image_id: image_ids.join(',')
       },
       dataType: 'json',
-      success: ( function(data) { todo += data.result.details.nb_processed; progressDelete(todo, progressBar_max, data.result.success) }),
-      error: ( function(data) { todo += data.result.details.nb_processed; progressDelete(todo, progressBar_max, false) })
+      success: ( function(data) {
+        todo += data.result.nb_processed;
+        progressDelete(todo, progressBar_max, true)
+      }),
+      error: ( function(data) {
+        todo += deleteBlockSize; // TODO: might be not exact, if last query
+        progressDelete(todo, progressBar_max, false)
+      })
     });
 
     image_ids = Array();
@@ -304,9 +310,6 @@ function progressDelete(val, max, success) {
     boxImage: 'themes/default/images/progressbar.gif',
     barImage: 'themes/default/images/progressbg_orange.gif'
   });
-  type = success ? 'regenerateSuccess': 'regenerateError'
-  s = jQuery('[name="'+type+'"]').val();
-  jQuery('[name="'+type+'"]').val(++s);
 
   if (val == max) {
     jQuery('#applyAction').click();
diff --git a/include/ws_functions/pwg.images.php b/include/ws_functions/pwg.images.php
index 58dae7857..b6647c8b5 100644
--- a/include/ws_functions/pwg.images.php
+++ b/include/ws_functions/pwg.images.php
@@ -1743,15 +1743,8 @@ function ws_images_delete($params, $service)
   if ($params['return_details'])
   {
     return array(
-      'success' => true,
-      'details' => array(
-        'nb_processed' => count($image_ids),
-      ),
-    );
-  }
-  else
-  {
-    return true;
+      'nb_processed' => count($image_ids),
+      );
   }
 }