diff --git a/.storybook/preview-head.html b/.storybook/preview-head.html
index 4d9e5e6a0..8e77ec8b5 100644
--- a/.storybook/preview-head.html
+++ b/.storybook/preview-head.html
@@ -1,3 +1,9 @@
+<style>
+  html {
+    /* set base font size to 13px */
+    font-size: 50.782% !important;
+  }
+</style>
 <script>
   window.__SALEOR_CONFIG__ = {
     API_URL: "",