diff --git a/rollup.config.js b/rollup.config.js
index 8e5dff45..64753dc8 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -42,7 +42,9 @@ export default {
         }),
         postcssCalc(),
       ],
-      minimize: true,
+      minimize: {
+        zindex: false,
+      },
       modules: {
         getJSON() {},
         generateScopedName: 'rvr-[sha256:hash:base64:3]',