diff --git a/js/entity_browser.iframe.js b/js/entity_browser.iframe.js
index dffb346..68a77ba 100644
--- a/js/entity_browser.iframe.js
+++ b/js/entity_browser.iframe.js
@@ -31,7 +31,8 @@
         'width' : drupalSettings['entity_browser']['iframe'][uuid]['width'],
         'height' : drupalSettings['entity_browser']['iframe'][uuid]['height'],
         'data-uuid' : uuid,
-        'data-original-path' : original_path
+        'data-original-path' : original_path,
+        'seamless' : 'seamless'
       }
     );
 
diff --git a/modules/example/config/install/entity_browser.browser.test_files.yml b/modules/example/config/install/entity_browser.browser.test_files.yml
index af0f896..85852d0 100644
--- a/modules/example/config/install/entity_browser.browser.test_files.yml
+++ b/modules/example/config/install/entity_browser.browser.test_files.yml
@@ -15,7 +15,7 @@ display_configuration:
   link_text: 'Select entities'
 selection_display: no_display
 selection_display_configuration: {  }
-widget_selector: drop_down
+widget_selector: tabs
 widget_selector_configuration: {  }
 widgets:
   a4ad947c-9669-497c-9988-24351955a02f: