diff --git a/demo.html b/demo.html
index 4d4bff73d..800dfed0e 100644
--- a/demo.html
+++ b/demo.html
@@ -974,6 +974,7 @@
           embedAsBase64: 1,
           assets: images
         },
+        styleManager: { clearProperties: 1 },
         plugins: ['gjs-preset-webpage', 'grapesjs-lory-slider'],
         pluginsOpts: {
           'grapesjs-lory-slider': {