diff --git a/packages/hover-vanilla/rollup.config.js b/packages/hover-vanilla/rollup.config.js
index 9a70f173..79beb492 100644
--- a/packages/hover-vanilla/rollup.config.js
+++ b/packages/hover-vanilla/rollup.config.js
@@ -12,7 +12,7 @@ const plugins = ({ compress }) =>
   [
     commonjs(),
     nodeResolve(),
-    compress && terser(),
+    compress && terser({ mangle: false }),
     filesize(),
     visualizer({ template: 'treemap' }),
     replace({
diff --git a/packages/vanilla/rollup.config.js b/packages/vanilla/rollup.config.js
index 3754e222..027a9c6f 100644
--- a/packages/vanilla/rollup.config.js
+++ b/packages/vanilla/rollup.config.js
@@ -8,7 +8,7 @@ import terser from '@rollup/plugin-terser'
 const plugins = ({ compress }) => [
   commonjs(),
   nodeResolve(),
-  compress && terser(),
+  compress && terser({ mangle: false }),
   filesize(),
   visualizer({ template: 'treemap' }),
   replace({